Questions Asked on
February 6, 2012

chemistry
Balance the following chemical equation: C3H7OH(l) + O2(g) CO2(g) + H2O(g)
asked by love 
Chemistry
At ordinary body temperature (37 C) the solubility of N2 in water in contact with air at ordinary atmospheric pressure (1.0 atm) is 0.015 g/l. Air is approximately 78 mol % N2. a)Calculate the number of moles of N_2 dissolved per liter of blood, which is
asked by Jeremy 
physics
A block with mass m =7.3 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.21 m. While at this equilibrium position, the mass is then given an initial push downward at v = 4.5 m/s. The block oscillates on the
asked by Chad 
precal
tan3x=(3tanxtan^3x)/(13tan^2x)
asked by Mayna 
AP CHEMISTRY
For the reaction I2(g) + Br2(g) 2 IBr(g), Kc = 280. at 150.°C. Suppose that 0.590 mol IBr in a 2.50L flask is allowed to reach equilibrium at 150.°C. What are the equilibrium concentrations of IBr, I2, and Br2?
asked by Stan3000 
calculus
Find the points on the curve below at which the tangent is horizontal. Use n as an arbitrary integer. (Enter your answers as a commaseparated list.) y = sin x/ 2 + cos x
asked by holly 
AP CHEMISTRY
At 80.°C, Kc = 1.87 103 for the reaction. PH3BCl3(s) PH3(g) + BCl3(g) (a) Calculate the equilibrium concentrations of PH3 and BCl3 if a solid sample of PH3BCl3 is placed in a closed vessel at 80.°C and decomposes until equilibrium is reached. (b) If the
asked by Stan3000 
English
The speaker in “I, Too, Sing America” survives adversity because he feels faith that he will one day be affirmed by white America. he has uncovered the hypocrisy around him. he is better than the people who are oppressing him. hope that he can one day
asked by Sara 
physics
a 20 kg rock is on the edge of a 100 m cliff . the rock falls from the cliff , what is its kinetic energy just before it hits the ground ?
asked by bob 
Math
A scale model of a house is 1 foot long. The actual house is 50 feet long. In the model, the window is 1 1/5 inches high. How many feet high is the actual window?
asked by John 
physics
the largest watermelon ever grown had a mass of 118 kg. suppose this watermelon were exhibited on a platform 5 m above the ground . after the exhibition, the watermelon is allowed to slide along to the ground along a smooth ramp, How high above the ground
asked by bob 
chemistry
Calculate the mL of 2.00 M H2SO4 required to neutralize 50.0 mL of 1.00 M KOH? consider that H2SO4 has two acidic hydoregens H2SO4(aq) +2KOH(aq)>K2SO4(aq) + 2H2O(l)
asked by April 
Chemistry
Calculate the mass of a quart (946 mL) of mercury. The density of mercury us 13.6 g/mL?
asked by Mike 
3 grade english
write three sentences describing life in the desert. use the past tense of at least two irregular verbs.
asked by dw 
physics
A train at a constant 41.0 km/h moves east for 38 min, then in a direction 44.0° east of due north for 25.0 min, and then west for 59.0 min. What are the (a) magnitude (in km/h) and (b) angle (relative to north, with east of north positive and west of
asked by T mann 
Chemistry
Indicate which of the following quantum numbers are unacceptable: (a)(1,2,0,1/2) (b) (3,2,0,1/2) (c)(3,2,2,1) (d) (4,3,2,1/2)
asked by earl 
algebra
What is the quotient if the dividend is 1/2 & the divisor is 1/8?
asked by shawn 
PreCalc
find the exact value of sin(15pi/6) and cot(7pi/6)
asked by Purplechick4 
Physics
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged
asked by Jeff 
chemistry
Which of the following atom pairs would most likely be connected by an ionic bond? K and Br S and Br O and Br F and Br
asked by krystal 
chemistry help asap
Please check these thanks. 1. In a titration, 33.21 mL 0.3020M rubidium hydroxide solution is required to exactly neutralize 20.00 mL hydrofluroic acid solution. What is the molarity of the hydrofluroic acid solution? Answer: 0.502HF 2. A 35.00 mLsample
asked by missy 
math
t varies directly as the square root of l. If l=81, then t=10 what is the constant proportion? 1. a is directly proportional to b. If a = 15, then b = 9 2. M varies directly as n. If n = 2/3, then m = 1/4 3. T varies as the square root of L. If L = 81,
asked by Anonymous 
Chemistry
In a large building, oil is used in a steam boiler heating system. The combustion of 1.0 pound of oil provides 2.4*10^7 J. How many kg of oil are needed to heat 100 kg of water from 22 to 100 degrees C? How many kg of oil are needed to provide steam from
asked by Steve 
English
Thank you!! Could you check the things I wrote on the different kinds of narrator. (I still need to include the nonomniscient narrator but I need to know if my definitions are correct). 1) The narrator is the voice who tells the story and from whose point
asked by Henry2 
physics
Two point charges each of magnitude 2.14 µC are located on the x axis. One is at x = 1.00 m and the other is at x = 1.00 m. (a) Determine the electric potential on the y axis at y = 0.620 m. kV (b) Calculate the change in electric potential energy of the
asked by Anonymous 
physics
a large chunk of ice with mass 15 kg falls from a roof 8 m above the ground . find the kinetic energy of the ice when it reaches the ground
asked by lala 
Chemistry
A dilute aqueous solution of an organic compound soluble in water is formed by dissolving 2.35 g of the compound in water to form 0.250 L solution. The resulting solution has an osmotic pressure of 0.605 atm at 25 Celsius. Assuming that the organic
asked by Jeremy 
Chemistry
What is the value of the rate constant at 17 degrees celsius? The Ea = 122 kJ/mol I know I have to use ln k = ln A  Ea/RT.. but I don't know how to calculate it without known ln A and how do you find ln A Thank you for your help!
asked by Vicky 
AP CHEMISTRY
I've got another question. it's similar to this but this time with Kp. Here's the question: For the equilibrium 2IBr(g) I2(g) + Br2(g) Kp = 8.5 103 at 150.°C. If 0.016 atm of IBr is placed in a 2.5L container, what is the partial pressure of all
asked by Stan3000 
chemistry
If you burn 38.9 g of hydrogen and produce 348 g of water, how much oxygen is reacted?
asked by Melanie 
English
I left out the following statements. Could you please check them? Thak you.. 1) A thirdperson narrator can tell the story as an omniscient narrator, who knows everything about the events and the characters’ thoughts using an unlimited point of view or
asked by Henry2 
physics
in 1989 michel menin of france walked on a tightrope suspended under a balloon nearly at an altitude of 3150 m above the ground . suppose a coin falls from menin's pocket during his walk . how high above the ground is the coin when its speed is 60 m/s ?
asked by bob 
Physics
A med tech student pushes a 30kg carton of books across the floor of her dormitory by exerting a constant force of 185 N at an angle of 37 degrees with the horizontal. If the opposing force of friction is 70 N, how much work does he do as he moves the
asked by Paul 
Math
Write the equation of the circle with a center at (2,2) and point (6,1)
asked by Anonymous 
Physics
A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0 Degrees downriver by heading directly across the river. What should be the boat's speed relative to the water?
asked by Kaitlyn 
physics
You pick up a board of length 2.60 m and mass 13.00 kg. To do this, you exert a force upward with your left hand a distance LL=0.754 m from the left end of the board and you need to exert a force with your right hand a distance LR=0.264 m from the left end
asked by Anonymous 
chemistry
give the total number of protons and electrons in each atom Cr2+ 24 protons 22 electrons Cr3+ 24 protons 21 electrons Ni3+ 28 protons 25 electrons Ni4+ 28 protons 24 electrons
asked by kr 
Algebra
A kayak moves at a rate of 10 mph in still water. If the river's current flows at a rate of 2 mph, how long does it take the boat to travel 24 miles upstream?
asked by Andy 
Business 101
Carmen Santiago works for a number of businesses as a “consultant.” She has helped design accounting systems, provided accounting services, and analyzed the financial strength of her clients’ businesses. Carmen is working as a A.public accountant
asked by Brianna 
physics
At a time t after being projected from the ground, a projectile is displaced x units horizontally and y units vertically above its point of projection. (Use any variable or symbol stated above along with the following as necessary: g.) (a) What are the
asked by joe 
geometry
the ratio of mango juice to guava juice in Paradise Punch is 5 to 3. Leilani has 32 fl oz of mango juice. How much guave juice does she need?
asked by Anonymous 
materials science
A bar of pure nickel is coupled with a bar of pure iron (interfaced). The diffusion couple is then heated to a temperature of 1000°C. (a) How long will it take for the concentration of nickel to reach 0.1 wt%, 1.0 μm below the interface? (b) How long
asked by Bob 
Chemistry
Calculate the density of a metal object that has a dull surface and an irregular shape. It has a mass of 321 grams and a volume of 45.2 cm 3.
asked by Tia 
Geometry/trig
A plane is flying due south at a speed of 300 mph. The wind is blowing from the west at a speed of 40 mph. Find the resultant speed of the plane and the direction of the plane
asked by Lezah 
calculus
Find the volume of the frustrum of the right circular cone generated by rotating the line y=x+1 about the xaxis between x = 0 and x = 3
asked by livelaughlx3ve 
Science 7R  HW Check (PLZ read!)
Compare Lamarck's explantion of evolution with Darwin's theory. My Answer  After scientist collected large amounts of data on the inheritance of characteristics, Lamarck's explanation was rejected. Darwin's developed the theory of evolution still accepted
asked by Laruen 
Chemistry
A 55.0g piece of ice at 0.0 is added to a sample of water at 8.0. All of the ice melts and the temperature of the water decreases to 0.0. How many kg of water were in the sample?
asked by Steve 
Science
Which of these structural adaptations would most help a nocturnal animal living in the forest? A.smaller eyes B.longer hind legs C.darker fur D.wings C? Which of these changes would most help a plant living in a desert? A.more leaves B.more roots C.smaller
asked by Andrew 
Calculus
at 12 noon ship A is 65 km due north of a second ship B. Ship A sails south at a rate of 14km/hr, and ship B sails west at a rate of 16km/hr. How fast are the two ships approaching each other 1.5 hours later at 1:30pm? Thank You!
asked by Keya 
chemistry
Write the formula of the ionic compound that forms between a. copper(I) ions and chloride ionsCuCl b. copper(II) ions and hydrogen sulfate ionsCu(HSO4)2 c. lithium ions and iodide ionsLiI d. cobalt(III) ions and phosphate ionsCoPO4
asked by krystal 
Maths
A farmer wishes to plant 6 trees in 4 rows so that each row contains 3 trees. How can this be done?
asked by Angela 
geometry
Plot the points (2,4), (1,4) and (2,1) and connect them to form a triangle. What rule would you use to translate the triangle 5 units to the right? Write your rule in the form H(x,y) = (?,?). Draw the translated figure and label its coordinates
asked by Anonymous 
Physics
A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0 Degrees downriver by heading directly across the river. What should be the boat's speed relative to the water?
asked by Kaitlyn 
Chemistry
At 20 degrees celsius ,if the equation is C7H6O3(s)+C4H6O3(l)=C9H8O4+HC2H3O2(l), then how many liters of acetic acid, HC2H3O2 , would be formed if the density of HC2H3O2 is 1.05 g/ml?
asked by Rene' 
Geometry
Angle A and Angle B are complementary andgles and the m Angle A = 58 degrees, what is he measure of the supplement of Angle B. This is what I did Angle A and Angle B = 90 degrees, mAngle A = 58 degrees 90  58 = 32 degrees 180  32 = 148 M angle B
asked by Monique 
math
The base of a regular pyramid is a square whose sides have a length 8 cm. If a lateral edge of this pyramid has length 20 cm, what is the surface area of the pyramid?
asked by Fustrated 
3 grade english
write sentence about desert animals. use each given word in the past tense. they give word find, think, run, go, take my son write a kangaroo rat needs to find nuts to survive. my son write i think a rattle snake can confuse you. my son write a scorpion
asked by dk 
math
A woman has a total of $9,000 to invest. She invests part of the money in an account that pays 5% per year and the rest in an account that pays 12% per year. If the interest earned in the first year is $730, how much did she invest in each account?
asked by sally 
Chemistry
The following data were obtained at 25° C for the reaction C2H5Br + OH >C2H5OH + Br Determine the rate law for the reaction from these data. [C2H5Br] [OH] Rate 0.150 0.200 4.8 x 105 0.300 0.200 9.6 x 105 0.450 0.200 14.4 x 105 0.300 0.600 28.8 x
asked by Lalit 
TRIG HELP ASAP
I really need help on this problem. A sector has area of 15 in^2 and central angle of 0.2 radians. Find the radius of the circle and arc length of the sector
asked by missy 
Physical Chemistry
A mole of air (80% Nitrogen, and 20% Oxygen by volume) at 298.15K is brought into contact with liquid water which has a vapor pressure of 3168Pa at this temperature. a) what is the volume of the dry air if the pressure is 1 bar? b) what is the final volume
asked by Nate 
math math math
HELP ME PLEASE I AM ABOUT TO DIE Should I join the Club? At Mr. Vid's Video Rentals you can join his VID Club for a monthly membership fee of $30. Club members pay only $.85 to rent each movie. If you are not a member of the VID club, the movies rent for
asked by zachary stanich 
Calculus
A ladder is leaning against the wall of a house.The base of the ladder is pulled away from the wall at a rate of 2ft/sec (b) Consider the triangle formed by the side of the house ,theladder, and the ground. Find the rate at which the triangle is changing
asked by stheva 
math
find the smallest rectangular area of wrapping paper that can be used to wrap a present that is 22 inches by 20 inches by 10 inches. The paper cannot be cut.
asked by Anonymous 
Physics
An open tube of length L = 1.60 m and crosssectional area A = 4.60 cm2 is fixed to the top of a cylindrical barrel of diameter D = 1.27 m and height H = 2.16 m. The barrel and tube are filled with water (to the top of the tube). Calculate the ratio of the
asked by Emily 
Physics
A steam iron draws 5.0 A when connected to a potential difference of 122 V. a) What is the power rating of this iron? Answer in units of W b) How much energy is produced in 15.0 min? Answer in units of J Please help me?
asked by Anonymous 
chemistry
Identify the monoatomic ion that has the following properties. a. 11 protons and 10 total electrons Na+ b. 9 protons and 8 valence electrons F c. 47 protons and 46 total electrons Ag+ d. 28 protons and 26 total electrons Ni2+
asked by kr 
Physics
You pick up a board of length 2.60 m and mass 13.00 kg. To do this, you exert a force upward with your left hand a distance LL=0.754 m from the left end of the board and you need to exert a force with your right hand a distance LR=0.264 m from the left end
asked by Anonymous 
chemistry
If you burn 38.9 g of hydrogen and produce 348 g of water, how much oxygen is reacted?
asked by Melanie 
PreCal
In terms of x, write expressions for the length, width, height, and volume of the boxes created in the activity. I just need an example, so i'll just give one box. X1 length20 width14 height1 volume280
asked by Lauren 
chemistry
iron(III) hydroxideFeH3 ammonium bromideNH4Br copper(I) sulfateCu2SO4 tin(II) oxideSn2O2
asked by kr 
math
at 12 noon ship A is 65 km due north of a second ship B. Ship A sails south at a rate of 14km/hr, and ship B sails west at a rate of 16km/hr. How fast are the two ships approaching each other 1.5 hours later at 1:30pm?
asked by Keya 
physics
Assume L1 = 0.860 m and L2 = 0.437 m. Calculate the normal force exerted by the floor on each hand, assuming that the person holds this position. Assume the force on the left hand is the same as the force on the right hand.
asked by Anonymous 
Physics
A wooden plank is inclined at and angle of 23 degrees above the horizontal. A 2.0 kg box attached to a rope is is pulled up the incline. The coefficient of kinetic friction between the box and the wooden plank is 0.15. What does the tension in the rope is
asked by Eunice 
World History
what were the results of the religious upheaval in Europe during the 1500s? How was the church affected? Thanks MC
asked by mysterychicken 
algebra
Sophie bought 23 cans of cat food for x dollars. Write an expression to show the cost of one can of cat food
asked by malina 
Physics
A 6.00 µC charge is moving with a speed of 6.60 104 m/s parallel to a very long, straight wire. The wire is 5.00 cm from the charge and carries a current of 73.0 A in a direction opposite to that of the moving charge. Find the magnitude and direction of
asked by DCM 
math
The students in the Art Club are tiling a wall at the entrance to room 111 that is 8 ft by 16 ft. They are using tiles that are 6 in. by 6 in. to create a multicolored design. How many tiles do the students need?
asked by itza 
physics please help!!
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V Volts. (C is the capacitance and U is the stored energy.) Select true or false for each statement. 1) With the
asked by archi 
english
i need help with plot summary of the painted door. i not know what to write for introduction. this be how it start out. Straight across the hills it was five miles from John's farm to his father's. But in winter, with the roads impassible, a team had to
asked by Mohammad 
algebra
Wally collects 15 baseball cards each week. He gave 10 cards to his friend james. write an expression to show the number of cards that wally has left
asked by malina 
Chemistry
For a 5.0 g sample of CoCl3·9H2O, what weight of water (in grams) will be lost if the sample is heated to constant weight (all water driven off)?
asked by Allie 
Chemistry
What is the volume of 4.00 grams of air if the density of air at the time of the measurement is 1.19 g/l?
asked by Lisa 
physics
You pick up a board of length 2.60 m and mass 13.00 kg. To do this, you exert a force upward with your left hand a distance LL=0.754 m from the left end of the board and you need to exert a force with your right hand a distance LR=0.264 m from the left end
asked by Dan 
Geometry
The base of a regular pyramid is a hexagon whose sides have length 5 ft. If a lateral edge of this pyramid has length 9 ft, what is the surface area of the pyramid?
asked by Fustrated 
Language arts and writing
The first compact microwave ovens were sold in 1960. Everybody didn't use them until the 1980's.
asked by Jose 
physics
If a spherical shell has a uniform volume density of 1.84nC/m^3, inner radius a=.1m, outer radius b=.2m, what is magnitude of electric field at radial distances r=a, r=b, r=3b
asked by amy 
Physics
A hiker, who weighs 990 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3550 N, and rests on two concrete supports, one at each end. He stops onefifth of the way along the bridge. What is the
asked by Sally 
SpanishPlease check these
¿Qué comiste la semana pasada? Yo comí tacos. Did I answer these correctly? I'm not sure ¿Qué estudiaron ellos la semana pasada. Ellos estudiaron el español. ¿Qué preparon Uds. ayer? Nosotros preparamos la tarea.
asked by Victor C. 
Chemisty
For the following reaction, 0.390 moles of nitrogen gas are mixed with 0.139 moles of oxygen gas. nitrogen (g) + oxygen (g) nitrogen monoxide (g) What is the FORMULA for the limiting reagent? What is the maximum amount of nitrogen monoxide that can be
asked by Eliazbeth 
math
1 statement 2 is false 2 statement 3 is false 3 statement 4 is false 4 statement 1 is false four statments are given above. how many of the statements are true?
asked by Anonymous 
Global History
This concerns the feudal powers in Japan: Ok, so in many ways the relation between China and Japan reflect what we've already seen between Russia and Byzantium. What were the most important things that Japan borrowed from China? Chinese influence in Japan
asked by Alexis 
Dalton's LAw
what is volume of hydrogen at STP of hydrogen collected over water at 10 degrees and 105.5 kPa
asked by Anonymous 
english
Identify the sentence with the correct capitalization. a) My Spanish dictionary says that hola means hello. b) My Spanish Dictionary says that Hola means hello. c) My spanish dictionary says that hola means hello. d) My spanish dictionary says that Hola
asked by Anonymous 
physics
You pick up a board of length 2.60 m and mass 13.00 kg. To do this, you exert a force upward with your left hand a distance LL=0.754 m from the left end of the board and you need to exert a force with your right hand a distance LR=0.264 m from the left end
asked by Anonymous 
physics
You pick up a board of length 2.60 m and mass 13.00 kg. To do this, you exert a force upward with your left hand a distance LL=0.754 m from the left end of the board and you need to exert a force with your right hand a distance LR=0.264 m from the left end
asked by Anonymous 
algebra
Janet bought 5 shirts for s dollars each and 3 pairs of shoes for p dollars each. Write an expression to show the total that janet spent on the shoes and shirt
asked by malina 
physics
Two charged particles q1 and q2 were initially at rest at a seperation of 2m in a gravity free space. Then evaluate after what time seperation between them will be 8m (neglect electromagnetic losses) .
asked by arshee bhatt 
chemistry
assuming complete dissociation of the solute, how many grams of \rm KNO_3 must be added to 275 \rm mL of water to produce a solution that freezes at 14.5 ^\circ {\rm C}? The freezing point for pure water is 0.0 ^\circ {\rm C} and K_f is equal to 1.86
asked by a 
Chemistry: Bunsen Burner Lab
Hi! I have recently completed a bunsen burner lab and need help with a few conclusion questions: 1) What kind(s) of energy is released by the reaction of fuel and air in this system? 2) Which part of the Bunsen flame is hottest? How do you know? >I
asked by Cicilia 
Bus Finance
You want to purchase a home. cost $165,000. you have $40,000 downpayment. you want to finance rest at 3.5% for 15 years. how much will monthly mortgage be? How much in total will you pay over the 15 years even counting the downpayment? I came up with
asked by Allison 
physics
When boiling water begins to turn to steam, which of the following remains the same in both the liquid and the vapor?
asked by lalt 
Social Studies
Ok, so in many ways the relation between China and Japan reflect what we've already seen between Russia and Byzantium. What were the most important things that Japan borrowed from China? Chinese influence in Japan reached its height during the time of
asked by Alexis 
science
In 91% (by volume) isopropyl alcohol (a large [compared to water], flammable molecule) solution, there are only two substances: the alcohol, and water. So when I poured 50 mL of 91% isopropyl alcohol into a graduated cylinder, how many milliliters were
asked by edward 
Finance
What is the present value (or purchase price) of an annuity product which will pay you $2,000 at the end of each year for the next 15 years? Use an interest rate of 9%.
asked by john 
Math
Envision that you have served as business manager of Media World for over 2 years. You have noticed that for the last 12 months the business has regularly had cash assets of $20,000 or more at the end of each month. You have found a 6month certificate of
asked by T. 
physics
our objects are situated along the y axis as follows: a 1.94 kg object is at +3.27 m, a 2.76 kg object is at +2.18 m, a 2.78 kg object is at the origin, and a 3.99 kg object is at 0.360 m. Where is the center of gravity of this system?
asked by Dan 
geometry
The coordinates of triangle ABC areA(0,0), B(2,6), and C(4,2). Using coordinates geometry; prove that, if the midpoints of sides AB and AC are joined, the segment formed is parallel to the third side and equal to one half the length of the third side.
asked by Sindy 
Mirobiology
give three situations where the negative staining procedure is used.
asked by Daisy 
math
Of the first graders who were asked, one sixth like math best, two thirds like reading best, and 12 like science best. How many first graders were asked their favorite subject? Please provide a "Draw a Picture" strategy to solve the problem.
asked by Anonymous 
algebra
what is the expression that best represents the side of a square with the area of 100x^4y^8
asked by jackie 
physics
Assume L1 = 0.860 m and L2 = 0.437 m. Calculate the normal force exerted by the floor on each hand, assuming that the person holds this position. Assume the force on the left hand is the same as the force on the right hand.
asked by Anonymous 
physics
A man is using a bow and arrow for the first time of his life. He is 25 meters from the target and aims directly at the center of the target. Surprisingly the arrow leaves the bow with a velocity of 54 m/s directly towards the center of the target and
asked by becky 
math
A square and a rectangle each have a perimeter of 100 feet. Explain how this is possible.
asked by Bryan 
Pre Calc
A plumber charges $40 per hour for labor with a minimum labor charge of $30. For example, if she does her repairs in only 0.2 hours, then $40*0.2=$8, which is less than the minimum, so she would charge $30 for labor. We will assume she can repair any
asked by Maddie 
maths
(i)prove that 1/1+sintheta +1/1sin theta=2sec^2 theta (ii)prove that cos theta/1sin theta =1+sin theta/cos theta
asked by victor.m 
Physics
An particle has a charge of +2e and a mass of 6.64 1027 kg. It is accelerated from rest through a potential difference that has a value of 1.10 106 V and then enters a uniform magnetic field whose magnitude is 3.10 T. The particle moves perpendicular to
asked by DCM 
physics
The specific temperature at which a substance changes from a liquid to a gas is an example of a?
asked by lalt 
geography
Explain how geography played an important role in the rise of Roman civilizations. Describe how the Roman's created a republic and conquered Italy. Explain how they built Rome from a small city into a great power simply by treating people fairly. Please
asked by kathy 
physics
In a water balloon toss a contestant throws her balloon with a speed of 4.84 m/s at an angle of 16.5 degrees above the horizontal. Find the maximum height, the time of flight and the range of the balloon assuming her partner catches the balloon at the same
asked by becky 
mechanics
An object (point mass) is projected up an inclined plane from the bottom with an initial speed of 5.0 m/s. The plane is 0.75 m high and the coefficient of kinetic friction between the object and the plane is 0.25. For what angle of inclination would the
asked by juan 
math
A disc jockey has 10 songs to play. Seven are slow songs, and three are fast songs. Each song is to be played only once. In how many ways can the disc jockey play the 10 songs if The songs can be played in any order. The first song must be a slow song and
asked by dave 
World History
I can't find the answer for these anywhere: 2. Who were bishops of the five administrative centers for the church in the last years of the Roman Empire? 4. Who was a powerful aristocratic class that controlled Roman government and society Please help!
asked by mysterychicken 
math
sparky weighs 3/4 of her weight, plus 3/4 of a pound. how much does she weight? they show a pict of a cat.
asked by Anonymous 
business
What would a careful researcher ask about a Web site called "Facts about pesticides and health" published by the Coalition for a ChemicalFree Environment?
asked by Anonymous 
English
Which statement about the narrator's son is the best example of pathos? A. "The boy had a good appetite, so I didn't have to make him eat." B.He was four, a little brown boy in blue rompers, and when he talked and laughed. . .his voice was soft. . ." C.I
asked by Jennifer 
physics
One gram of nickel has 1.026 × 1022 atoms, and each nickel atom has 28 electrons. How many electrons are contained in 9.00 g of nickel?
asked by Anonymous 
physics
Assume L1 = 0.860 m and L2 = 0.437 m. Calculate the normal force exerted by the floor on each hand, assuming that the person holds this position. Assume the force on the left hand is the same as the force on the right hand.
asked by Anonymous 
PreAlgebra
volume of sphere to the nearest tenth 4ft
asked by Montelle 
Chemistry
A sample of 50.0 mL if sulfuric acid that has a density of 1.84 g/mL would have a mass of how many grams?
asked by Mike 
chemistry
Half reaction E0,(v) Ni2+(aq) + 2e Ni(s) 0.23 Co2+(aq) + 2e Co(s) 0.28 Fe2+(aq) + 2e Fe(s) 0.41 Cr3+(aq) + 3e Cr(s) 0.74 Mn2+(aq) + 2e Mn(s) 1.03 Which of the following metals could be used successfully to galvanize steel?
asked by neetu 
MATH
If a flagpole casts a shadow of 300 ft. and a person standing 6ft tall casts a shadow of 400 ft. at the same time of day. How tall is the flagpole?
asked by Brianna 
science/math
A juice processing operation uses steam to heat the fruit juice up to a temperature of 96̊C prior to packaging it in drink boxes. They need to heat 3,250 kg of apple juice (10.5% solids) from an initial storage temperature of 39̊F to its heat treatment
asked by Nadine 
GEOMETRY
DRAW A ACUTE ANGLE.Label the vertex point g and sides gh and gk.
asked by SEBASTIAN 
Chemistry
What will happen to the cell potential if the concentration of the anodic solution is increased in a concentration cell. Explain?
asked by Lalit 
Chemistry
What you can predict about a reaction whose activation energy is zero?
asked by Neha 
algebra 2
Find the slope between points (2, 3) and (1, 0)
asked by jewels 
Physics
Ultrasound with a frequency of 4.275 MHz can be used to produce images of the human body. If the speed of sound in the body is the same(1.79 km/s) as in salt water, what is the wavelength in the body?
asked by Erica 
biology
the importance of these organic compounds ( carbohydrates, proteinds, lipids) in the cells and tissues of living things
asked by kelly 
Physics Electricity
Several appliances are supplied with a potential difference of 314 V and are operated continuously for a 24 h period. How much energy is used if the appliance is a 30.0 W stereo? Answer in units of J How much of energy is used if the appliance is an
asked by Anonymous 
Ethics
I need help in understanding what the viewpoint would be of a virtue ethicist in deciding who should receive a liver transplant. There are 5 candidates: Bob is 40 years old unemployed, homeless with a severe drinking problem and a criminal record.He was
asked by Carol 
Psychological Statistics
A researcher predicts that watching a film on institutionalization will change students’ attitudes about chronically mentally ill patients. The researcher randomly selects a class of 36 students, shows them the film, and gives them a questionnaire about
asked by Patience 
history
How was Fort William Henry massacre used by the British and the American colonists to justify brutality against the Indians? HELPPPP PLEASE
asked by brittney 
statistics
My problem is to graph a system of inequalities (which ive done) and introduce slack variables to convert the system of inequalities to a system of equations. So I am building my table and all is easy until I get to the point where S1 and S2 are both zeros
asked by JUGRNOT 
Math
The area of a rectangle is 6n(to the power of 2) + n  2. What is the expression that represents the perimeter of the rectangle?
asked by Jane 
algebraic equation and inaqualities
in a triangle XYZ,the measure of angle Y is 40 more than the measure of angle X.the measure of angle Z is 10 less than three times the measure of angle X.find the measure of angle X
asked by tanya 
Spanish
Please check En mi dormitorio, hay una cama cómodo con una manta azul y marrón claro.This is suppose to say in my bedroom, there is a comfortable bed with a blue and light brown blanket. Hay dos alfombras azules. This is suppose to say there are two blue
asked by Terry 
Math
The cafeteria has 16 tables. Each table can seat 14 students. What is the greatest number of students that can be seated at one time? A.30 B.80 C.204 D.224 D?
asked by Andrew 
Chemistry
A certain firstorder reaction has a rate constant of 2.60×10−2 s1 at 18 C. What is the value of k at 55 C if Ea = 90.0 kj/mol?
asked by gary 
algebra
please check these answers and change if needed. thank you Label each statement true or false, if false change underlined portion. C. if 4 < 2t + 6 < 10 then this is underlined 2 > t + 6 > 5 I marked false, i think it should be 2 < t < 5. D. If y + 8
asked by ann 
accounting
quarter sales revenue profit/(loss) 1 400 (280) 2 1200 360 3 1600 680 4 800 40 total 4000 800 Number of visitors for the year 50000. Next year management anticipates an increase in unit variable cost of 10 percent and a profit target of 1 million.
asked by wacky chick 
algebra
At a local ice cream shop, you can choose from a collection of 18 different toppings. If you want to choose at least one topping, how many different topping combinations are possible (assuming no repeat toppings)?
asked by Brittany 
Science
What environmental niche is most suitable for an animal that eats fruit? A.artic tundra B.temperate swamp C.temperate plains D.tropical forest D? Which of these is NOT an adaptation for the Fennec Fox? A.beige coat to camoflauge B.small ears to prevent
asked by Andrew 
physics
An object (point mass) is projected up an inclined plane from the bottom with an initial speed of 5.0 m/s. The plane is 0.75 m high and the coefficient of kinetic friction between the object and the plane is 0.25. For what angle of inclination would the
asked by jason 
math
harold has six new walking sticks. rearrange them so that each walking stick touches every other walking stick, but not in a pile.
asked by Anonymous 
chemistry
How many grams of magnesium metal are produced by the decomposition of 19 grams of magnesium chloride?
asked by nate 
real analysis
How to find the perpendicular to the victor space R^k
asked by mk 
Science
What environmental niche is most suitable for an animal that eats fruit? A.artic tundra B.temperate swamp C.temperate plains D.tropical forest D? Which of these is NOT an adaptation for the Fennec Fox? A.beige coat to camoflauge B.small ears to prevent
asked by Andrew 
Art History
What are the three major forms of printmaking that were developed after the printing press was invented? Name the artist responsible for first creating prints as a new art form
asked by Jacqueline 
math
solve using multiplication method: 8x9y=15 4x=19+y
asked by guy 
kinematics
A projectile is launched with an initial velocity of 25 m/s at a launch angle of 36 degrees. What is the magnitude of the projectile’s velocity when it is 7.5 m above the ground?
asked by Cody 
english112
My teacher sent this back to me. ("Ignoring" is not a method of argument. It is a method of dealing with offensive symbols. What methods of argument does Bok use? I am having to come up with a thesis for this essay can you please help me?Derek Bok
asked by sharon 
College Personal Finance
Annual interest of 6.0% paid if balance exceeds $900, $12 monthly fee if account falls below minimum balance, average monthly balance $1,135, account falls below $900 during 2 months. Round the answer to the nearest cent.
asked by Kendra 
physics
A ball of 250g hits the floor at a velocity of 2,50 m/s at an angle of 70* relative to the vertical. The vertical force in function with time between the floor and the ball is: from 0 to 50 N : from 0 to 1 sec. from 50 N to 100 N : from 1 to 2 sec.
asked by Raf 
algebra
: If Bobby fives Jane three pens, they have the same number of pens. But if Jane gives Bobby three pens,he will have three times as many pens. How many pens does each student have?
asked by MJ 
physics
When boiling water begins to turn to steam, which of the following remains the same in both the liquid and the vapor?
asked by lalt 
algebra 2
Find the slope between points (2, 3) and (1, 0)
asked by jewels 
calculus
Find the unit vector that is parallel to but has opposite direction as the vector m=
asked by devin boutte 
Calculus
lim (sin 4x/3x) x>0 Is the answer 4/3 or 3/4?
asked by uh 
poetry
what is the genre of the poem: tonight i can write by pablo neruda?
asked by sara 
english
i read the story the painted door today anyone by chance read this story? it very long so i not want anyone waste their time reading it.
asked by Mohammad 
Chemistry
You have 40.00 g of ice at 20.0C. You want ot convert all the ice to steam at 140.0 C. How much energy will it take to do so?
asked by Elena 
space
A space capsule needs to have its speed inceased slightly to set it on course.A spaceship moves up slowly to the capsule, and makes contact with it.The spaceship's rocket engine is fired for 10s. The gases exert a forward force of 12000n on the spaceship
asked by Nwabisa maswana 
Finance
Benson Incorporated has bonds with the following features par value of 1000.00 maturity is 10%. Determine if the bond sells for a premium, par, or discount and explain your answer. Calculate the value of the bond if interest is paid on an annual basis
asked by howard 
algebra
give the general formulas for the integer solutions of x^2 + y^2 = z^2. what is x,y, and z when m=18 and n=11
asked by luckybee 
algebra
the soccer team is designing a triangular flag for their games. the length of the base is 5 inches more than the height,h. express the area of the flag as a function of the height.
asked by betty 
trig
if (0,7) lies on the terminal side of angle theta in standard position, find each value sec(theta) , cot(theta) and sin(theta)
asked by Laura 
biology
does the human ovum produce any chaemotactic hormones or sugars to attract sperm cells?
asked by ramannachowdary 
Physics
A train at a constant 41.0 km/h moves east for 38 min, then in a direction 44.0° east of due north for 25.0 min, and then west for 59.0 min. What are the (a) magnitude (in km/h) and (b) angle (relative to north, with east of north positive and west of
asked by T mann 
Physics
One component of a magnetic field has a magnitude of 0.080 T and points along the +x axis, while the other component has a magnitude of 0.034 T and points along the y axis. A particle carrying a charge of +1.00 105 C is moving along the +z axis at a
asked by DCM 
algebra 2
Find the slope between points (2, 3) and (1, 0)
asked by jewels 
Chemistry
Find the pressure of a gas that originally had a volume of 25 L, pressure of 67kPa at a temperature of 100 Kelvin. When the gas was heated to 200 Kelvin, it had a volume of 56L. How many moles would be present if the gas in the above question was an ideal
asked by Kiley 
6th grade history
What is an occupation that can symbolize the value of the United States? I was thinking that the U.S Army Force be one?
asked by kathy 
calculus
Given the vector u=,v=. A) compute the area of the parallelogram determined by u and v . B) compute the vector. UxV
asked by devin boutte 
Algebra
Cedric cashed a $125 check at the bank. The teller gave Cedric his money in $5 and $10 bills only. If the teller gave Cedric twice as many $10 bills as $5 bills, how many of each type did cedric receive? Lefkios went to a fast food restaurant for
asked by Rose 
Math
Tara has 18 coins she puts them into 2 equal groups. How many coins are in each group.
asked by Siya 
Living Environment
Explain why proteins are polymers but lipids are not.
asked by Anna 
algebra
Breakeven Point = $55 ($15  $4)
asked by howard 
chemistry
Give the name for each of the following: (a) SiF4Silicon tetraflouride (b) CuBr2Copper dibromide (c) MgCO3Magnesium Carbonate (d) NH4NO3Ammonium Nitrate
asked by kr 
medical billing and coding
which one of the following subcategories of the E/M section has separate codes for new and established patients? a. office or other outpatients services. b. emergency department services. c. initial inpatient consultation. d.hospital observation services
asked by gt 
English
Thank you very much. As for my project, I translate the presentation of the school literally (without changing any single word). I I think we should shorten sentences and choose more appropriate words. 1) The scientific high school …… was founded in
asked by Henry2 
algebra
River raft rentals are $7 per hour plus a deposit fee of $25 per person. Write an expression for the total cost of renting a raft for h numbers of hours.
asked by ollya 
chemisty
I have data for titration of a strong base against a strong acid when I added volumes of NaOH 1 mL at a time to 50.00 mL of HCl to see the change in pH. One of the questions says to find the molarity of the HCl solution but how do I do this with the data.
asked by marla 
spanish
Translate into Spanish: I have a small nose. Tengo la nariz pequena or Tengo una nariz pequena. I know a = una, but my teacher was saying something about they always use the definite article with parts of the body. So do you always use el/la instead of
asked by anonymous 
Physics  Question
When I'm asked to find work done by air resistance against a skier on a slope, will I have to do: Wr = Fr*d or is it affected by an angle: Wr = Fr*d*cosTHETA I was thinking that it isn't because air resistance isn't a specific force acting at one spot
asked by Raf 
intro to busines
what are ome of the operations management practices that can help bring manufacturing back to U.S.?
asked by ann 
PreCalc
if (0,7) lies on the terminal side of angle theta in standard position, find each value sec(theta) , cot(theta) and sin(theta)
asked by Purplechick4 
Chemistry
Why Energy of is smaller than π2px and π2py in case of O2 but it is opposite in case of N2.
asked by Neha 
Math
The clothing stor had a sale for 75% off most of its shoes.Malik selected a pair of shoes that regulary sell for 80. What is the sale of Malik's new shoes.
asked by Nora 
algebra 2
Find the slope between points (2, 3) and (1, 0)
asked by jewels 
math
Used books are being sold at $5 and used videos are being sold at $6. There are 175 total items sold and a total of $910 collected. How many videos were sold?
asked by Rani 
English
What are some good websites that help you create your own personalized avatars?? I need to create my own avatar for English class, but I can't find a good website. I need a website that helps create awesome avatars, such as those in video games. Any
asked by Anonymous 
math
what is A=____,b=8.1 mm,h=16mm
asked by abby 
English
Writeacher, thank you very much for all your explanations!! I think the part of the integration of the project into the students' curriculum should be improved. This is what I translated. I think certain points should be omitted. I also wanted to add a new
asked by Henry2 
Chemistry
What is the density of a gasoline sample that has a volume of 13.3 mL abd a mass of 8.86 grams?
asked by Lisa 
physics
A Physics book , mass unknown , is dropped from a table . its velocity just before hitting the ground is 9.39 m/s . what is the height of the table ?
asked by bob 
trig
tan theta= square root of 3 / 3 if o degrees is less than or equal to theta less than o equal to 360
asked by Dillon 
Physics
A train at a constant 41.0 km/h moves east for 38 min, then in a direction 44.0° east of due north for 25.0 min, and then west for 59.0 min. What are the (a) magnitude (in km/h) and (b) angle (relative to north, with east of north positive and west of
asked by Alice 
Medical Terminology
Why is it so important to know terms that are associated with all of thedifferent body systems even if you were to only work with onesystem?
asked by Tony 
algebra
V=h[( (a+b)/2)^2 + 1/3( (ab)/2)^2] showing all steps that it reduces to following: v=h/3(a^2 +ab+b^2)
asked by luckybee 
law
How has the treatment and handling of victims by the criminal justice system changed over time?
asked by sharday 
geometry
The coordinates of triangle ABC areA(0,0), B(2,6), and C(4,2). Using coordinates geometry; prove that, if the midpoints of sides AB and AC are joined, the segment formed is parallel to the third side and equal to one half the length of the third side.
asked by Sindy 
physics
A shot putter projects the shot at an angle of 37 degrees above horizontal with a force of 980 Newtons (N). What are the magnitudes of the vertical and horizontal components of the 980 N force?
asked by amanda 
algebra
1. Courtney's dog sleeps in a crate that is 24 inches wide, 30 inches tall, and 40 inches deep. What is the volume of the dog crate?
asked by Reagan 
rome
in forming their government how many executives did rome decide to have: 1, 2, 3, or 4?
asked by running.from.myself 
English
What kind of clause would (when painters looked at rapidly moving horses.) would it be a adverb,adjective, or noun?
asked by Erica 
law
One of the key purposes of the probate process is the payment of __________ and taxes. A. dues B. attorneys C. debts D. courts is it B
asked by andy 
physics
How does your mass on Earth compare to your mass on Mars?
asked by Linda 
physics
A 1.92 kg cart and a 3.7 kg cart both slide toward each other at 1.34 m/s on an air track. They collide and stick. The combined mass moves at what speed in m/s
asked by Anonymous 
math
An airplane left chicago O'Hare airport at 9:50 AM and arrived at Detroit,Michigan at 11:45 A.M.How long did the trip take?
asked by fani 
Communication
When a teacher writes an exam, they think about what aspects of student learning they want to test.
asked by Anonymous 
physics
Many professional golfers can hit a golf ball 300 meters with a driver. The face of a driver and the swing pattern causes the ball to leave the club at around 18 degrees from the horizontal. Assuming the ball travels exactly 300 meters in the air before it
asked by becky 
pHysics
A ball of 250g hits the floor at a velocity of 2,50 m/s at an angle of 70* relative to the vertical. The vertical force in function with time between the floor and the ball is: from 0 to 50 N : from 0 to 1 sec. from 50 N to 100 N : from 1 to 2 sec.
asked by Raf 
World History
I would like to know anything about the hollocoust and world war 2!
asked by Lexi 
Physics  Verification
A skier (75 kg) goes down a 15* slope. The coefficient of kinetic friction between the skis and the snow is 0.185. The length of the slope is of 500m. a) What is the work done by gravity? Answer) Wmg = mgd = 75kg(9.8N/kg)500m(sin15) = 354 977 J Is it cos
asked by Raf 
math
In a recent survey of 100 women, the following information was gathered. 30 use shampoo A. 43 use shampoo B. 33 use shampoo C. 13 use shampoos A and B. 7 use shampoos A and C. 5 use shampoos B and C. 3 use all three. How many are using shampoo A only
asked by Anonymous 
chemistry
how much calcium is there in 2.30 L of 0.0450 M calcium hydroxide solution ? pdf
asked by ashishs 
Statistics
I am trying to double check my answer, I completed a spatter blot of an assignment, 20 student, variables study hours and final exam scores, the two I am suppose to predict would be study hours of 5 and study hours of 11. How would I put that in an
asked by Helen 
Socials (help)
Medieval Castles: what allowed a castle community to function independently for a long period of time? I have a big project to do and I did all the other questions already but I'm stuck with this one. Please Help!
asked by Bailly 
math............ pls help fast
Find the limit or show that it does not exist for: Limit as X approached infinity X^43X^2+X  X^3  X + 2
asked by running.from.myself 
math
a ball has a volume of 45. the radius of the larger ball is 3 times the small ball what is the volume?
asked by tl 
law
What are some of the arguments in favor of and against victim involvement in the criminal justice system?
asked by sharday 
thermochem
A meal is 8000kJ. If all the energy is converted to heat, how much iced water with a temperature of 0 degrees must a person drink to maintain body temperature of 37 degrees? How do I solve this  using the fact that 1mL water by 1 degree is 4.2Joules? Heat
asked by Cole 
Math
Ms.Taylor sells roses for $2.00 each or $12.00 per dozen. What is the greatest number of roses a customer can buy with $30.00? A.14 B.24 C.27 D.30 C?
asked by Andrew 
algebra
Sum of two numbers is 95. one number exceeds the other by 15,find the number?
asked by Anonymous 
physics
Calculate the height of the brain above the heart for an animal with an additional blood pressure of 498 mmHg in the heart. Use ρ = 1.057 g/cm3 for the density of blood. ???????
asked by lee 
math
corey made 32 pints of water for a party he will move it to a one galloon jug how many one galloon jugs will he need
asked by brianna 
law
The estate tax only affects the wealthiest __________ of Americans. A. 1% B. 2% C. 5% D. 10% im confused between B n D
asked by andy 
physics
Atoms in a gaseous state have?
asked by lalt 
algebra
Simplify (3)^1
asked by Arturo 
Advanced Industrial Hygiene
Air was sampled through 37mm PVC membrane filter for seven hours and thirty seven minutes. The initial air flow rate was precalibrated twice at 49.7 and 50.1 secnds per liter. What volume of air at STP (25 C and 760mm Hg) was sampled in liters? same
asked by Obie 
algebra
13^24(13)(36) That answer squared
asked by Erica 
Math
The 3rd and 12th terms of an arithmetic progression are 12 and 24 respectively. What is the 50th term?
asked by Lerantia 
Mathg
Mark has 16 marbles. He puts them into 2 equal groups. How many marbles are in each group.
asked by Siya 
Algebra 2
log100^x
asked by help 
chemistry
how much calcium is htere in 2.30 L of 0.0450 M calcium hydroxide solution ? pdf
asked by ashishs 
English
Here is the second part of the school description I need to translate. Some words are unclear and the sentences are too wordy. I need your help to improve them. 1) third branch includes the study of two foreign languages: English and French and addresses
asked by Henry2 
Business Ethics
Which instance is an example of internal mechanism working to prevent crimial behavoir?
asked by Aaliya 
math
6.4  Y = 6 2/5 What is Y
asked by Trevor 
physics
This is a theory question. Let's say I go down a slope on my skis. When I want to calculate the Work done by air resistance, do I take the angle of the slope in consideration? For example, will it be: Wr = Fr * d * sinTHETA or will it only be Wr = Fr * d
asked by Raf 
math
I have a question. I think I'm wrong, so I want to ask if it's right. If I do 3/4 x 1 5/6 x 7/4 x (2 3/8) would the answer be negative?
asked by grace 
math
At the time of George W.Bush's presidency, there have been 43 presidents of the United States. Draw a Venn diagram showing the following facts about where each served before assuming the presidency. How many presidents served as vicepresident and in the
asked by Anonymous 
algebra
how would i solve this 3x+1y=11.50
asked by destiney 
Physics
If youre in a room and the width is 8m length is 14m height is 2.5m how much air is in the room in kg? Thanks! Your help is appreciated!
asked by Leslie 
social
what other strategies have been proposed to end child labour?
asked by jasu 
maths
Evaluate using partial fractions x^4  16/x^3  8
asked by victor.m 
Chemistry
On the basis of MOT, explain why the stability of N2 decreases on ionization but the inverse is true for O2.
asked by Neha 
law
To be eligible for the Marital Deduction, the property must pass "__________." A. eventually B. indirectly C. outright D. quickly is it D
asked by andy 
StatisticsMatrix of Transition Probabilities
Given the following matrix of transition probabilities, write three equations that, when solved, will give the equilibrium state values. P = large bracket with a b on top and c d directly under that, closed large bracket. Thanks.
asked by Lisa 
physics
n boat starts from rest and accelerates at a constant rate to a final speed of 28 m/s over a distance of 780 m. How much time will this take?
asked by Hannah 
Mathg
Mark has 16 marbles. He puts them into 2 equal groups. How many marbles are in each group.
asked by Siya 
Social studies
Without our two great political parties cutting across economic and geographic interests,democracy as,we,know it could never been made to function
asked by Famiko 
Math
Your softball team is raffling a stereo system and the total off 800 tickets have been sold. Your family bought 20 tickets. What is the probabilty that your family will not win?
asked by Nicole 
ENglish09765
write the use of the pronoun is it subject or nominative absolute Q1. We taxpayers will have to pay for this project Q2. cautiously, Grace and they crossed the street. Q3. I think he will be the best judge. i think they are all acting as a subject!!
asked by Anonymous 
Chemistry
ln p2/368.3 mm Hg = 24900 J/mol / 8.314 J/k mol [1/259.7K  1/247.4K] I am having trouble doing the mathto solve for p2. Chemistry  DrBob222, Sunday, February 5, 2012 at 12:44pm The easy way is to calculate 1/259 = ? and 1/247 = ?, then subtract them and
asked by Hannah 
Math
Can you help me solve this problem? Cuz i cant seem to figure it out. An orbiting satellite traveled 3,225 miles in 40 minutes. Find its speed in miles per hour. (Round your answer to the next whole number.) (a)103 (b)4,838 (c)4,267 (d)6,200 (e)150
asked by John 
math
how do you renaname the fraction 2/9 in eighteenths
asked by harmony 
math
the digit in the hundredsths place is 0.1 larger than 1/10 ofthe digit in the hundreds place the numbers i hve so far r 952.2_6
asked by handy 
Alegabra 1
26 ÷ 23 Sarah is trying to solve the above expression. She takes the following steps: 1. Sarah checks to see that both numbers have the same base. Since they both have the same base, she decides to work with the exponents. 26 ÷ 23 2. Sarah now adds 6 and
asked by morgan miner 
Algebra
Let say the problem is (x+2)(x2). Would I distribute the () to the (x2) before I FOIL or is the problem saying x+2x+2? Thanks
asked by Shadow 
math
1/4(90x)+1/5(180x)=36
asked by needhelpplease 
PreCal
I have a piece of paper 22 in. long and 16 in. wide. I cut a 7 in. x 7 in. square from each corner. I then fold up the sides and form a box with an open top. What is the volume of this box?
asked by Lauren 
math
A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 33 said they drove alone. 29 rode in a carpool. 35 rode public transportation. 6 used both carpools
asked by Anonymous 
language arts
stream is to river as allley is to
asked by joelle 
Math
10 Books Fit In A 1ft Container And There Are Currently 10,000 books what is the volume the must fit all the cubic containers
asked by Marranda 
law
If the decedent owned an interest in a qualifying familyowned business, a deduction from the gross estate in the amount of up to __________ may be available. A. $1,100,000 B. $1,200,000 C. $2,100,000 D. $2,200,000
asked by andy 
6th grade science
at the end of cytokinesis, how many chromatids will be found in each daughter cell? explain.
asked by kate 
egd
what does egd stand for?
asked by michelle 
Math
Write the equation of the circle with a center at (2,2) and point (6,1)
asked by Leslie 
physics0987
why is electric potential a more useful quantity for most calculations than electrical energy is?
asked by Anonymous 
math
1/2m/22>1/11
asked by sally 
math
simplify 8x2yx+5y
asked by tina 
what is the solution
3x5=5x3
asked by Anonymous 
math
45 1/5 x 3/4 =
asked by Kelly