Questions Asked on
February 14, 2012

chemistry
Consider the reaction 3CH4(g)= C3H8(g)+ 2H2(g). Using data from Appendix C in the textbook, calculate delta G at 298 K.
asked by Anonymous 
chemistry
Reactions in which a substance decomposes by losing CO are called decarbonylation reactions. The decarbonylation of acetic acid proceeds as follows: CH3COOH(l)= CH3OH(g)+ CO(g. By using data from Appendix C in the textbook, calculate the minimum
asked by Anonymous 
Chemistry
Mg(s) + 2HCl(aq) > MgCl2(aq) + H2(g) delta H1? MgO(s) + 2HCl(aq) >MgCl2(aq) + H2O(l) delta H2? To make these equations add up to the formation reaction of MgO, you will need to include the following: H2(g) + 1/2O2(l) delta H =241.8 kJ Using Hess's Law
asked by Hannah 
math
A playground is on the flat roof of a city school, 5.8 m above the street below (see figure). The vertical wall of the building is h = 7.30 m high, to form a 1.5mhigh railing around the playground. A ball has fallen to the street below, and a passerby
asked by anonymous 
chemistry
After 56.0 min, 25.0% of a compound has decomposed. What is the halflife of this reaction assuming firstorder kinetics?
asked by Anonymous 
6th Grade Math
My daughter needs to use PROPORTION to solve metric conversions. Can you please help? The question are for the following conversions: g=kg ___g = 5.114 kg km=m 0.5 km = ___m These are the other conversions that we need to make: ml=L g=mg cm=m kg=g km=m 0.5
asked by Mom 
math
Alan's room has an area of 18 square feet. He is planning to buy another rug twice as long and twice as wide.What is the area of the new rug?
asked by Kara Weber 
Physics
A 80.0 N box of is pulled 20.0 m up a 30.0 Degree ramp by a force of 115 N, if the coefficient of kinetic friction between the box and the ramp is .22 what is the box's kinetic energy?
asked by Emily 
chemistry
Consider the reaction 3CH4(g)= C3H8(g)+ 2H2(g).Calculate Delta G at 298 K if the reaction mixture consists of 40 atm of CH4 , 0.011 atm of C3H8, and 2.1×10−2 atm of H2.
asked by Anonymous 
Physics
A commuter airplane starts from an airport and takes the route shown in the figure below. The plane first flies to city A, located 175 km away in a direction 30.0° north of east. Next, it flies for 150 km 20.0° west of north, to city B. Finally, the
asked by anonymous 
chemistry
Mercury reacts with oxygen to produce mercury(II) oxide. Hg(l) + O2(g) → HgO(s) a. Balance the reaction equation. Include physical states. 2Hg(l) + O2(g) → 2HgO(s) b. What is the theoretical yield (in grams) of HgO if 255 g of Hg are reacted with 255 g
asked by krystal 
economics
Suppose that the company Mama's Pies adds another store to sell its pastries. Supposed that it costs $400,000 to build the new store and assume that the new store will generate revenues of $450,000. What is the rate of return on this investment?
asked by marry 
chemistry
what mass of oxygen would be required to completely burn 6.75 g of propane in the following reaction? C3H8+5O2 => 3CO2+4H2O * please help
asked by romy 
American Government
Which statement does NOT characterize Martin Luther King Jr.'s "I Have a Dream" speech? 1.)It openly criticized the Governor of Alabama 2.)It supported the peaceful congregation of peoples of all races and religions 3.)It pointed out racial problems in the
asked by Sierra 
math
The perimeter of rectangle ABCD is 256 inches. It's length is 3 times as long as its width. Find the area of triangle ABC.
asked by zach 
chemistry
when 0.100mole H2S was put into a 10.0L vessel and heated to 1132C, it gave an equilibrium maixture containing 0.0285 mol H2. @hat are the valuesw of Kc and Kp at this temperature?
asked by tammie 
Microbiology
Live cultures of Bacillus thuringiensis (Dipel) and B. subtilis (Kodiak) are sold as pesticides.What bacterial structures make it possible to package and sell these bacteria? For what purpose is each product used?
asked by AHh 
Chemistry
What is unusual about thymol blue? Why does thymbol blue change color at the pH that is does?
asked by ERIKA 
chemistry
how many moles of oxygen are required for the combustion of 25.5 g of magnesium
asked by mike 
phyisics
A 615 kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant speed. (a) What is the acceleration of the car?
asked by matt 
Algebra
The bongo family has three children, including a pair of twins. The third child is 3 years younger then the twins. The sum of the three ages is 42. How old is each child?
asked by Anonymous 
Math
An airplane leaves the airport and flies due west 170 miles and then 240 miles in the direction 200°30'. Assuming the earth is flat, how far is the plane from the airport at this time( to the nearest mile)?
asked by Joe 
physics
a stone with a mass of .700kg is attached to the end of a rting 0.900m long. the string will break if its tension exceed 60.0 N. the stone is whirled in a horizontal circle on a frictionless tabletop; the other of the string remain fixed. Find the maximum
asked by Jennifer h. 
chemistry
Yellow colors in fireworks are die to the 589 nm radiation of sodium ions. a.) How much energy is given off by one photon of sodium?
asked by Eddie 
calculus
A particle moves in a straight line with velocity given by v(t) =sin t metres per second. Find the total distance travelled by the particle in the first 4 seconds of motion
asked by jenna 
physics
two packages at ups start sliding down the 20 degrees ramp. package a has a mass of 4.5kg and a coefficient of friction of 0.2. package b has a mass of 8.5 kg and its coefficient of friction is 0.13. how long does it take package A to reach the bottom if
asked by daphne 
Math
to measure the height of the Eiffel Tower in Paris, a person stands away from the base and measures the angle of elevation to the top of the tower to be 60 degrees. Moving 210 feet closer, the angle of elevation to the top of the tower is 70 degrees. How
asked by Donielle 
math
a factory produces 150,000 lightbulbs per day. the manager of the factory estimates that fewer than 1,000 defictive bulbs are produced each day . in a random sample of 250 lightbulbs , there are 2 defictive bulbs . determine whether the managers estimate
asked by darlene 
physics
A man with a mass of 52 kg stands up in a 66kg canoe of length 4.0 m floating on water. He walks from a point 0.75 m from the back of the canoe to a point 0.75 m from the front of the canoe. Assume negligible friction between the canoe and the water. How
asked by sara 
chemistry
Determine the volume of a 0.550 M KMnO4 solution required to completely react with 2.80 g of Zn.
asked by sie 
grammar
Hyphens are so confusing, so I'm asking for a little help. 2. Select the sentence which is correctly punctuated. A) He came in for his follow up. B) He came in for his followup. My answer: B 4. Select the sentence which is correctly punctuated. A) He will
asked by Jenny 
Math
Mr. Clarkson and Mrs. Rose had an average of $180. After Mr. Clarkson spent $73 and Mrs. Rose received $38 from her father, Mr. Clarkson had 1/4 as much money as Mrs. Rose. How much money did each have at first?
asked by Matthew 
Calculus
4. At time t, t>0, the volume of a sphere is increasing at a rate proportional to the reciprocal of its radius. At t = 0, the radius of the sphere is 1 and at t = 15 the radius is 2. a. Find the radius of the sphere as a function of t. b. At what time t
asked by Anonymous 
1 chem question
A base has a Kb of 2.5 x 10–11. Which of the following statements is true? This is a concentrated base. This base ionizes slightly in aqueous solution. This is a strong base. An aqueous solution of this base would be acidic. (do explain. i don't
asked by Sara 
calc
If x2 + y2 = 100 and dy/dt = 9, find dx/dt when y = 8. (Enter your answers as a commaseparated list.)
asked by Anonymous 
statistics
A math professor notices that scores from a recent exam are normally distributed with a mean of 64 and a standard deviation of 5. Answer the following questions using integer values. What score do 75% of the students exam scores fall below? And, how was
asked by Dora 
Physics
The drawing shows two fully charged capacitors (C1 = 7 µF, q1 = 4 µC; C2 = 16 µF, q2 = 4 µC). The switch is closed, and charge flows until equilibrium is reestablished (i.e., until both capacitors have the same voltage across their plates). Find the
asked by Laura 
chemistry
Aluminum and oxygen react to form aluminum oxide. 4 Al + 3 O2 2 Al2O3 a. What is the limiting reactant if 36.4 g Al are reacted with 36.4 g of O2? O2 b. What is the theoretical yield of Al2O3, in grams? 68.8 g c. If 22.2 g of Al2O3 are obtained, what is
asked by krystal 
Statistics
A math professor notices that scores from a recent exam are normally distributed with a mean of 64 and a standard deviation of 5. Answer the following questions using integer values. The professor decides to grade on a curve. If he wants 0.15% of the
asked by Dora 
Physics Help
While a person is walking, his arms swing through approximately a 45° angle in 1/2 s. As a reasonable approximation, we can assume that the arm moves with constant speed during each swing. A typical arm is 70.0 cm long, measured from the shoulder joint.
asked by D.J 
Geometry
Two sides of a rhombus form a 120º angle. The length of each side is 6 in. Explain how to find the area of the rhombus, and then calculate the area. Leave your answer in simplest radical form.
asked by Rachel 
7th grade math
Toby is making a model of a battlefield. The actual area is 11 miles by 7.5 miles. He wants to put the model on a 3.25 ft by 3.25 ft square table with at least 3 inches on each side between the model and table edges. What is the largest scale he can use?
asked by Logan 
physics
A mango fruit drops to the ground from the top of its free which is 15m high.how long does it take to reach the ground.
asked by Anonymous 
US History
During the period 1800 to 1820, which of the following issues dominated nation government concerns? Indian removal, western expansion, tariff issues, New England's success with nullification, or successful foreign policy changes with France & Italy. I
asked by Anonymous 
math
What multiplication fact could you use to find a number that can be divided equally by 8 and 9? My answer is 8 x 9 = 72. Is this correct?
asked by sheila 
math
Shaun collects coins. He has 24 quarters and 32 pennies in a jar. What is the ratio of quarters to pennies in the jar?
asked by dawit 
Physics
A force 1 of magnitude 7.20 units acts on an object at the origin in a direction θ = 29.0° above the positive xaxis. (See the figure below.) A second force 2 of magnitude 5.00 units acts on the object in the direction of the positive yaxis. Find
asked by Haroula 
Physics i.e science
A density bottle has a mass of 35g when empty, 85g when filled with water and 75g when filled with kerosene. Calculate the density of kerosene in g/cm3.
asked by Abbie 
literature
Write two original sentences for each of the following seven sentence patterns: 1.SVDO (includes SVDOOC) 2.SV 3.SVIODO 4.SLVPN 5.SLVPA 6.EXPLETIVEVERBSUBJECT (inverted sentence) 7.QUESTION PATTERN
asked by susan 
Chemistry
If 25 grams of CoCl2•H2O,2 being the subscript of cl and the h, was heated to constant weight. What mass of anhydrous salt would remain?
asked by Carrie 
chemistry
1Butene (CH2=CHCH2CH3) burns in the presence of O2 to produce CO2 and H2O. Write the balanced chemical equation for this reaction (omit physical states and use condensed molecular formulas). CH2CHCH2CH3+6O2=4CO2+4H2O
asked by krystal 
Chemistry
Calculate mass of iron in tablet by spectroscopy? I have to calculate the mass of iron in a tablet..The manufacturers claim it contains 60 mg elemental iron. background info: The tablet was crushed and dissolved in 25ml of 6M Hcl, filtered and added to a
asked by Drake 
Math
If 50% of the students in your class are men and 20% of the students have blond hair, which of the following describes the percentage of students in your class who are men with blond hair?
asked by Marche 
chemistry
A 1.04L sample of gas at 759 mmHg pressure is expanded until its volumes is 2.24 L. What is the pressure in the expanded gas sample (at constant temperature)?
asked by Amy 
physics
two ends of a string in her hands and then moves her hands up and down so that a wave travels from one end of the string to the other end. In which case will she have a standing wave along the string?
asked by derick 
AP CHEMISTRY
If a solution of HF (Ka = 6.8 104) has a pH of 3.42, calculate the total concentration of hydrofluoric acid.
asked by Stanley3000 
chemistry
Aluminum metal reacts with oxygen gas (O2) to form aluminum oxide. a. Write a balanced equation for this oxidationreduction reaction. (In this problem you need not worry about the physical state of the reactants or product.) 2Al+3O2=2Al2O3 b. which
asked by krystal 
Physics 12
I need help on solving this problem A plane with an air speed of 400km/hr wants to go north but a wind of 70 km/hr is blowing west. What must be the planes heading (to go north)? What will be its resulting ground speed?
asked by Angelina 
chemistry
The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5 * 10^14 Hz. What is the wavelength of this radiation in nanometers?
asked by Eddie 
college physics
calculate the specific heat of 200g of substance whose temperature is 30 degree celcius if it is mixed with 200g of water heated in a 300g iron container at 100 degree celcius. the final temperature of the mixture is 98 degree celcius.
asked by albert 
chemistry
a mixture of 0.500 mol H2 and 0.500 mol I2 was placed in a 2.00L stainlesssteel flask at 430C. Calculate the concentrations of H2, I2, and HI at equilibrium
asked by tammie 
Statistics
On standard IQ tests, the mean is 100 and the standard deviation is 13. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is between 61 and 139.
asked by Anonymous 
math
A tree casts a shadow that is 20 feet long. A 5foottall boy stands in the shadow so that the end of his shadow lines up with that of the tree. His shadow is 6 feet long. How tall is the tree
asked by Jasmine 
English
I left out these sentences. Can you please help me express them? Thank you very much! 1) I also use Internet to download music from different websites and then I save it on my computer or MP3 player. (where else can I save it? Flashdrive, USB memory
asked by Henry2 
algebra
0. Tell your classmates about your pet to set up the scenario for fencing a rectangle in your yard. 1. You MUST start by choosing an amount of area that you want to fence in for your pet and this MUST be stated first. What amount of area are you enclosing
asked by jim 
Math
. An IRS auditor randomly selects 3 tax returns from 59 returns of which 11 contain errors. What is the probability that she selects none of those containing errors? Round to four decimal places.
asked by Kandice 
Standard Deviation
On standard IQ tests, the mean is 100 and the standard deviation is 16. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is more than 100.
asked by Anonymous 
Physics
A rock stuck in the tread of a 50.0 cm diameter bicycle wheel has a tangential speed of 3.5 0m/s . When the brakes are applied, the rock's tangential deceleration is 1.40 m/s^2 . What is the magnitudes of the rock's angular acceleration at = 1.70 ?
asked by Max 
Math
Jerry bought 2 pies. He cut each pie into 6 slices. Over the week, he ate all of one pie and 2 slices of the ow much of the total slices did he ate.
asked by Anonymous 
algebra
Please help me. I have cut up the paper and followed the directions, I do not know what mathematical truth this is. help help help. I don't understand this. the problem is below: Cut a piece of paper to form a triangle shape. Tear off the three corners of
asked by Lucy needs help now 
Social Studies 9
I have to write a pamphlet for my teacher, the pamphlet is on Charles the First, in the view of Walter Prynne. How am i supposed to do this? My teacher never explained how. she just said to do it and gave us a sheet that said basically what she had said,
asked by Shania 
5th grade science
A substance seems to completely fill a container, but more can be forced in. The substance is a
asked by Yamani 
statistics/correlation relations
What does your scatter diagram look like? Briefly describe it. Based on your prediction about the relationship between the amount of coffee people drink and the number of hours they sleep, what is your H0 and what is your HA ? Did you find a positive
asked by Beverly 
chemistry
Consider the following reaction. 4Fe + 3O2=2Fe2O3 a. How many moles of O2 are required to react completely with 29.8 mg of Fe? 4.00 x 10^4 moles O2 b. How many grams Fe2O3, are produced from the complete reaction of 17.8 g of Fe? 25.4 g Fe2O3
asked by krystal 
Angular Acceleration
A rock stuck in the tread of a 50.0 cm diameter bicycle wheel has a tangential speed of 3.5 0m/s . When the brakes are applied, the rock's tangential deceleration is 1.40 m/s^2 . What is the magnitudes of the rock's angular acceleration at = 1.70 ?
asked by MaxX 
English 10  Check Please
I this paragraph correct? Many names for groups are quite interesting. Group names were commonly used at one time. Now only a few of them are rare, some like "a pride of lions" or " a school of fish." Yet some group names are really neat in describing, for
asked by Mackenzie 
English
To answer the question below, use an idea that you generated in Part 2 of Lesson 2 or come up with a new idea. In the text box provided below indicate the following; The writing idea The kinds of questions you will be writing (Informational , Personal, or
asked by Nannielee 
chemistry
What mass of potassium chloride, a salt substitute often used by heart patients, can be produced directly from 5.2 g potassium and 7.9 g chlorine? 9.9 g
asked by krystal 
Physics
A rock stuck in the tread of a 50.0 cm diameter bicycle wheel has a tangential speed of 3.5 0m/s . When the brakes are applied, the rock's tangential deceleration is 1.40 m/s^2 . What is the magnitudes of the rock's angular acceleration at = 1.70 ?
asked by Max 
Chemistry
How would you prepare 10.0 Liters of a solution that was 20 parts per million sodium perchlorate in water? What would be the molarity of the solution (assume density is 1.0 g/mL and 1ppm=1 mL/L)?
asked by John 
Chemistry
Without detailed equilibrium calculations, estimate the equilibrium concentration of SO3 when a mixture of 0.134 mol of SO2 and 0.067 mol of O2 in a 275 mL flask at 300oC combine to form SO3. 2 SO2(g) + O2(g) = 2 SO3(g) Kc = 6.3x10^9 I tried doing an ICE
asked by Kiba 
physics
A golfer drives a ball with a velocity of 42 m/s at an angle of 45 degrees above the horizontal. What is the maximum height (in meters) of the ball above the level fairway?
asked by j 
college physics
calculate the specific heat of 200g of substance whose temperature is 30 degree celcius if it is mixed with 200g of water heated in a 300g iron container at 100 degree celcius. the final temperature of the mixture is 98 degree celcius.
asked by albert 
biology
Total body sodium content determines extracellular fluid volume, and is regulated by the balance between sodium intake and sodium loss. Oubain is a poison that causes blockage of the Na+/K+ ATPase. Which of the following would occur after administration of
asked by jack bauer 
Grade 7 math
The rectangular base of a box has a perimeter of 60cm. The base is twice as long as it is wide. Saskia plans to cover the top and bottom with coloured paper;which cost 5 cents per square centimetre. She lans to cover the other 4 faces with white paper;
asked by Anonymous 
7th grade math
Toby is making a model of a battlefield. The actual area is 11 miles by 7.5 miles. He wants to put the model on a 3.25 ft by 3.25 ft square table with at least 3 inches on each side between the model and table edges. What is the largest scale he can use?
asked by Logan 
Civics
Article II of the United States Constitution established the _____. presidency only presidency and the vice presidency the vice presidency only =the Senate and the House
asked by Sierra 
English
jake dad not be anymore physical and he not be able to grab jake daughter when she fall into lake. Jake effects rescue. what be the symbolic meaning of incident? jake own past come infront of his eyes?
asked by Mohammad 
Calculas
Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function Line f(x) = 2x^2 6x – y + 4 = 0 I know i have to find derivative 1st which will be f'(x)=4x but then how to i find equation do i plug 6 in for x so
asked by Anonymous 
sociology help me please
EXAMPLES OF macro and micro sociology cannot be : prostitution gender inequality economy homelesness
asked by gabby 
jake
2. Solve this equation: 80 = 3y + 2y + 4 + 1. A. y = –15 B. y = 1/5 C. y = 75 [D. y = 15] i don't realy know if that is correct because i think it could be negative like in a please let me know
asked by math 
Statistics
On standard IQ tests, the mean is 110 and the standard deviation is 15. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is less than 155.
asked by Anonymous 
Chemistry
Consider the following reaction. 2KClO3(s) ¨ 2KCl(s) + 3O2(g) A)How many grams of KCl are produced from the complete reaction of 10.9 mol of KClO3? B)How many grams of KCl are produced from the complete reaction of 86.2 g of KClO3?
asked by Kyle 
English
I included a few questions and a short paragraph about a teenager talking about the internet (Do you think I should add other reasons for using the net?) 1) What does the sentence "I'm sick leaving" mean? Does it mean "I'm on scik leave?" 2) My students
asked by Henry2 
College Physics
A tiger leaps horizontally from a 15.0 m high rock with a speed of 7.10 m/s. How far (in meters) from the base of the rock will it land?
asked by Charles 
statistics
How is the rejection region defined and how is that related to the zscore and the p value? When do you reject or fail to reject the null hypothesis? Why do you think statisticians are asked to complete hypothesis testing? Can you think of examples in
asked by Jay 
Shurley English
How would you label sting in "Ouch, that bee sting hurts."
asked by M 
7 grade math
The rectangular base of a box has a perimeter of 60cm. The base is twice as long as it is wide. Saskia plans to cover the top and bottom with coloured paper;which cost 5 cents per square centimetre. She lans to cover the other 4 faces with white paper;
asked by Amy 
College mathematics 1
The end of a 30 inch pendulum describes an arc of 6 inches through what angle does the pendulum swing?
asked by Linda 
math. need help
United States citizens living in Switzerland must pay taxes on their income to both the United States and to Switzerland. Suppose that the United States tax is 28% of their taxable income after deducting the tax paid to Switzerland. Suppose that the tax
asked by danny 
English
ms. sue this be english continued from yesterday on story questions :)and i try to remember to put capital English now :) what be jakes attitude toward darkness and night? i only read that he like darkness because he lose his parents in daylight. i not
asked by Mohammad 
physics
A mango fruit drops to the ground from the top of its free which is 15m high.how long does it take to reach the ground.
asked by Anonymous 
college algebra
What is the answers and break down of them, Typing hint: Type x 2 as x^2 (shift 6 on the keyboard will give ^) 1) Solve the following quadratic equation by factoring: a) 7 010 2 xx =++ Answers: Show your work here: b) Solve the quadratic equation using the
asked by jim 
math
Given 9 yards of fabric how many whole costumes could be made if each costume uses 1 3/7 yards of fabric
asked by Jesse 
English
when jake tell her daughter that her grandfather be really sick, she say "Oh" which be a wounded soung. a moan. orpheus look back and regret in his throat. what this tell about jake daughter? she be innocent?
asked by Mohammad 
history
All of the following statements regarding the Monroe Doctrine are correct EXCEPT? A. Issued by Monroe in response to an onslaught by European monarchies against democracy in the Americas. B. Would have been ineffective without the backing of the British
asked by student 
biology
1) I can't finish my homework due to this one question, please tell me where I can find this question, thanks! What are levels of protein structure of Angiosperms?
asked by Jessica 
Math Lit
A Maths Literacy tutor charges R200 for an hour lesson. A)how much would it cost for a private lesson? B)What Would it cost for two learners to hav a lesson together?
asked by mtano 
Chemistry
How many grams of potassium phosphate must be dissolved in 3.75 Liters of water to produce a soltuion that contains 8*10^23 potassium ions?
asked by Mary 
sciencephysics
a boat travels in still water at 2m/s. It is rowed across a river that flows at 1m/s. Determine the resultant velocity of the boat
asked by levi 
physics
Suppose the rubber rod holds 3 picoCoulomb at x=0 and the uncharged ball has +2 femtoCoulomb at x= 50mm, as well as 2 femtoCoulomb at x=55mm distance. What would be the electric Force applied to the ball? I used the equation F=q1q2/d^2 and did two
asked by Anonymous 
English
i not get this question which be author come back to his Orpheus allusions with question referrring to jakes dad, "what songs found their out, or had any?" what be jakes hope for his dad?
asked by Mohammad 
Civics
Which of the following was NOT a reason why a stronger central government was needed? To solve the economic problems of the United States =To limit individual liberties To deal with military matters both internal and external To make the States work
asked by Sierra 
English evaluating essay
I have write a evaluation essay on the movie Troop 1500. So my thesis is Taking daughters to see their mothers in jail should be a program of it's own. I don't know if my topic sentence is correct: One reason a program should be made separate for
asked by Taylor 
Math
if a diameter of a quarter is 25 mm. what is the length of a row of quarters whose total value is $10.00?
asked by Adam 
Statistics
On standard IQ tests, the mean is 120 and the standard deviation is 18. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is less than 156.
asked by Anonymous 
business
1. Which way of asking for action carries the highest level of politeness? (Points: 5) A polite order An indirect request A question (*) An order 2. Which of the following statements most effectively applies the youattitude? (Points: 5) "We began
asked by sososola2012 
physics
A tiger leaps horizontally from a 15.0 m high rock with a speed of 7.10 m/s. How far (in meters) from the base of the rock will it land?
asked by jholm 
physics
What is the weight of a 12 kg mass on the moon if the gravitational acceleration (g) was only .8 m/s/s?
asked by Sally 
college algebra
IF THIS WAS 1500 SQFT. WHAT WOULD IT LOOK LIKE.I have two small Yorkies that love to go outside and play, so being on a leash just doesn’t work for them. So I decided to get them a fence so they can play how they like too. I live in a townhouse, its 1600
asked by jim 
organic chem
if sulfuric acid was not added to isopentyl alcohol how would that affect the results
asked by elle 
Math
Tony lines up 5 baseballs. They are as long as his pillow. He adds 15 more balls. How long is the line?
asked by Molly 
science
what is the geometry around each carbon in ethanoic acid
asked by lydia 
computer science
I need to write a program that ask the student to enter an answer to a math problem. The user should enter two values, one at a time, and then ask for an answer. The program should display if the entered answer is correct or not and display the correct
asked by Kathleen 
algebra
there are 43 ribbions. the number of blue ribbions was 2 less than the number of white ribbions. the number of red ribbions was 3 more than the number of white ribbions.how many of each kind of ribbion was awarded
asked by Anonymous 
Chemistry
When a 77 g piece of metal with a temperature of 88 Degree Celsius is placed into 277 g of water having a temperature of 20 degree Celsius, the final temperature of the metal and water is 23.3 degree Celsius. What must be the specific heat of the metal?
asked by Mom 
Chemistry
When a 77 g piece of metal with a temperature of 88 Degree Celsius is placed into 277 g of water having a temperature of 20 degree Celsius, the final temperature of the metal and water is 23.3 degree Celsius. What must be the specific heat of the metal?
asked by Mom 
Math
Kara has 9 apples. Maria has 3 more apples than Kara. How many apples does Maria have.
asked by Siya 
Com arts
In the Book FareWell to Manzanar. What chapter did momma break her dishes?
asked by Alyssa 
sociology ASAP
EXAMPLES OF macro and micro sociology cannot be : prostitution gender inequality economy homelesness
asked by gabby 
English
why jake dislike how his father smile at his attempt and failure in physical activies? That be because he feel embarrassed?
asked by Mohammad 
Drama
My teacher wants us to think of short pantomimes that are easy. I am out of ideas. Can you give me some ideas please?
asked by Michael Bronford 
history
Every era in American history has had notable men and women who shaped their times, for better or worse. Identify one person from this week’s reading who you believe had a significant impact on the years from 1945 to 1974. This could include a president
asked by Anonymous 
english
Edit please. Take the errors out and rewrite Calligraphy is very popular amoung artists as well as among people whom are not professional artists. But who are creative for their own pleasure. The word calligraphy provides own definition. It comes from two
asked by lagan 
SPELLING
WHAT IS ACCEPT:EXCEPT::THREW I REALLY NEED HELP DO TOMORROW FREAKIN OUT
asked by TREINEE 
Science
During betaparticle emission, a neutron splits into _______? a proton and an electron two protons two electrons two neutrons
asked by Samantha 
Math
How long does it take an automobile traveling in the left lane of a highway at 70.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 110 m apart? s
asked by anonymous 
English
am doing a parody project for Romeo and Juliet only ACT 5. I need to write a script for burger king or any ideas you have. I need help starting off the script. Thank You
asked by zax 
math
how to you compare 8 fractions with different denominators including improper fractions?
asked by john 
math
If the scale of a map is 1:1000,a 10cm map has an actual length of ?
asked by Anonymous 
geometry
if line cd equal 2 and line xy equal 2, prove that line cd is equal to line xy
asked by Anonymous 
math
The rectangular base of a box has a perimeter of 60cm. The base is twice as long as it is wide. Saskia plans to cover the top and bottom with coloured paper;which cost 5 cents per square centimetre. She lans to cover the other 4 faces with white paper;
asked by Anonymous 
college chemistry
Guys i really need help in these three problems. If someone could explain how to do this i would appreciate it! complete and balance the following equations 1. SO3^2 + Cu^2+ > SO4^2 + Cu^+ 2. Cr +Cu^2+ > CrO4^2 + Cu^+ 3. MnO2 + Ag^+ > MnO4^ +
asked by Keisha 
business
1. Which way of asking for action carries the highest level of politeness? (Points: 5) A polite order An indirect request A question (*) An order 2. Which of the following statements most effectively applies the youattitude? (Points: 5) "We began
asked by sososola2012 
chemistry
if 25.00 g of Zn reacts with 30.00 g MnO2 what mass of Zn(OH)2 will be produced?
asked by kontoya 
englishpersonal growth
what is a personal growth paper?
asked by lou 
trig
right triangle has an acute angle of 24.8 and an adjacent length of 145 what is the side opposite of the acute angle
asked by lo 
math 12
The world's population is 1970 was about 3.6 billion. If the population has increased at 2% each year since then, what will the world's population be in 2010?
asked by erin 
AP (Honors) World History
I need a good thesis statement for my continuity and change over time informative essay on Hinduism, but I don't know how to even start. Please help.
asked by Dora 
3 grade math
Is a trapezoid also a parallelogram? Explain why or why not.
asked by Dk 
MATH
Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function Line f(x) = 2x^2 6x – y + 4 = 0 I know i have to find derivative 1st which will be f'(x)=4x but then how to i find equation do i plug 6 in for x so
asked by Anonymous 
maths
A CIRCLE HAS EQUATION X^2 +4X + 10Y 8 =0,FIND THE EQUATION OF THE TANGENT AT (3,1)
asked by victor.m 
physics
A roller coaster (375. kg) moves from A (5.00 m above the ground) to B (28.0 m above the ground). Two nonconservative forces are present: friction does 2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long
asked by Anonymous 
college chemistry
At a prominent state hospital, a 45yearold woman is receiving a ‘combined modality' treatment for the initial stage of breast cancer. State the two aspects included in this treatment. State the methods by which a radiation oncologist can administer
asked by bubby 
Math
Ian has 11 stickers justinhas 3 fewer stickers then Ian.how many stickers does Justin have.
asked by Siya 
English
What be meaning of allusion to hemingway’s death? He not feel he important to family?
asked by Mohammad 
English
Why Jake spend his time try to forget everyone? That be because his family not have proper relationship with him before so they not show him love and now he not know how to love so he want to be alone.
asked by Mohammad 
math
what is equivalent fraction of 9/10 and 7/12
asked by sarah 
Physics  Circuits
Theres a circuit wired in series that has 4 resistors. 1) 10 ohms 2) 6 ohms 3) 1 ohms 4) 2 ohms Find the potential difference across the 10ohm resistor. Answer in units of V What exactly am i supposed to do to calculate this?
asked by Anonymous 
Chemistry
What will be the concentration if 52 milliters of a solution that is 12 parts per million in sodium chloride is diluted with enough water to make 97 millilters of solution?
asked by Whitney 
Chemistry/Engineering
A 25 gram sample of CT is vaporized and used to fill a 5 L container. If the pressure in the container is 1.2 atm at 27 degrees Celsius, what is the molecular weight of CT in grams per mole? I used PV=nRT and found n=.2437 mol, but how do I got to grams
asked by Becca 
science
a change in ph can change the shape of a protein. how might a change in ph
asked by zing 
US History
The battle of New Orleans A. destroyed the Creeks Indian Tribe B. forced the British to sue for peace with the US C. cause the British to evacuate Washington D. led to a surge in American nationalism E. led to the development of sectionalism in America I
asked by Anonymous 
CHEMISTRY
Write equations for the solution process when ech of the following is dissolved in water. Potassium phosphate glucose Calcium chloride 1propanol Butanone Ammonium sulfite
asked by Sarah 
Civics
The Constitution gives sovereignty only to the _____.? A.State legislatures B.national government C.president of the United States D.State constitutions ....i need help, none of them are right?
asked by Sierra 
Statistics
For each of the following (a) indicate how many factors are included, and (b) tell how many levels there are for each factor: a) 2x2 b) 2x3 c) 2x3x2 d) 4x3 e) 4x3x2x3
asked by Leon 
sociology
what are some examples of social and cultural capital that young children experience
asked by kelly 
English
what be theme of this story? move on with life? don't look back at past? also i not understand the title of story. i before thought orpheus be someone in story but it not be anyone.
asked by Mohammad 
math
In the U.S. a date such as January 12, 2003 is written 1/12/03, but in many other countries the day and month are interchanged, giving 12/1/03. If you didn't know which system was being used, how many dates in a year would be ambiguous to you?
asked by Tonya 
college physics
what is the force applied in the direction of the wire at a point attached to the patient in a traction system if the mass applied ius equal to 5kg.?
asked by albert 
Reading
Dear Ms. Sue, No matter how hard I try, nobody knows a 6th grade definition for the word "Panning". Can you please help?
asked by Cory 
English essay
Thesis is Taking daughters to see their mothers in jail should be a program of its own. I don't know if my topic sentence are correct: Negative affect on the amount of extra responsibility the girl scouts take on. Girl scouts has an age limit for not all
asked by Taylor 
English
how am doing now can you help is it right (McDonalds)Romeo: How bright! What light bounces off the linoleum floors that my lover has cleaned! It is a flashlight, and Juliet is a firework! Get up, you spark and burn off the brown field which is already
asked by zax for Mrs.SUE 
Math
Can you check my work Please? Let N(t) be the number of bacteria after t days. Then N(t) = Pa^t for some constants P and a. Measurements indicate that N(4) = 5600 and N(8) = 362, 000 1. Write down the formula for N(t) using the rounded values of a and P.
asked by Walt 
phl
Do influences like culture, environment, history, and nature have a liberating or limiting effect on individual freedom? Some specific examples.
asked by rod 
math help!!
A cart carries 100 pounds of cucumbers. The cucumbers are 95% water, and during the day they lose water rapidly on a hot, dry day. After a day passes by, the cucumbers are now 90% water. How much much do the cucumbers weigh after drying out?
asked by dindy 
geometry
If the measure of angle AMD= x+2y and the measure of angle ABC= 2xy, find the values of x and y.
asked by Malika 
Chemistry
How could you prepare a buffer if only acetic acid, HCl and NaOH are available? If you must have a weak acid and a conjugate base for a buffer, if the conjugate base is not available, how could one generate it? This makes no sense to me. Maybe I am
asked by Wendy 
chemistry
a bird is flying around the world at a rate of 88ft/sec,how many days will it take to complete this journey?
asked by jen 
physics
A tiger leaps horizontally from a 15.0 m high rock with a speed of 7.10 m/s. How far (in meters) from the base of the rock will it land? so using the equation h=1/2 gt^2 and i put in 15 for h and g is 9.8 so i solve for t. is this right and when do i use
asked by j 
Intermediate Algebra
The perimeter of a triangle is 48 centimeters. The longest side is 2 centimeters less than the longest side. Find the lengths of each side of the triangle.
asked by M 
chemestry
if 40 grams of water are produced when 30 grams of ethane is burned what is the % yields
asked by m 
ms. sue
ms. sue you read the book the glass castle a memoir by Jeannette Walls?
asked by Mohammad 
algebra. help!!
United States citizens living in Switzerland must pay taxes on their income to both the United States and to Switzerland. The United States tax is 28% of their taxable income after deducting the tax paid to Switzerland. The tax paid to Switzerland is 42%
asked by sandy 
Calculus
y=cos(square root of 4t+12)
asked by Jovante 
Decorative Features
4. Which one of the following is rarely used for underwear? A. Facedslit opening C. Bound opening B. Placket D. Zipper 5. When inserting a zipper, it’s important to A. insert it at the earliest possible sewing stage. B. stretch the fabric to match the
asked by mamamia 
Civics
Since the 1970s, the Supreme Court has interpreted the Equal Protection Clause as prohibiting the government from making "_____" distinctions between people. unreasonable =racial reasonable unnecessary
asked by Sierra 
Math please help
Find an equation of the line that is tangent to the graph of f and parallel to the given line. Function Line f(x) = 2x^2 6x – y + 4 = 0 I know i have to find derivative 1st which will be f'(x)=4x but then how to i find equation do i plug 6 in for x so
asked by Anonymous 
English
Jake tell that some families grow like trees.... to what does he compare his own family? what be im plied by this comparison? Do he express this symbolic meaning explcitly ? it be that he tell his family not close with each other. everyone be far apart
asked by Mohammad 
Socioloy
What are some exampls of latent functions in regards to health clubs? Please help
asked by anonymous 
English
What can be understood frm the fact that jake’s daughter faces the trail as though waiting? i not get this. it be that she going to know about jake's family also?
asked by Mohammad 
Chemistry
When a 77 g piece of metal with a temperature of 88 Degree Celsius is placed into 277 g of water having a temperature of 20 degree Celsius, the final temperature of the metal and water is 23.3 degree Celsius. What must be the specific heat of the metal?
asked by Mom 
math
In the space below, indicate the values stored in the variables A,B,C, and D for the program. Enter your answers by typing in the value of A for Answer 1, value for B in Answer 2 and so on. Do this for all four variables.(8 points) 10 DATA 2,3,4,5 20 READ
asked by Anonymous 
CAN ANYONE HELP WITH MATH
HELP PEOPLE WHO NEED HELP WITH MATH PLEASE
asked by Anonymous 
biology
Can someone please explain to be the concept of  Rate of exchange is proportional to a cells surface area and ... the amount of exchange material is proportional to a cell's volume. (the topic we are learning is called "Animal form and function")
asked by martha 
Finance
What is the economic value today of each of the following payment streams if money can earn 7.5%?(Note that the two streams have the same total nominal value.) a. $1000, $3000, and $2000 due in one, three, and five months, respectively. b. Two $3000
asked by Daniel 
algebra
A pentagon has a perimeter of 630 inches.What is the length of its sides?
asked by Anonymous 
Calculus
What is the derivative of 6/x?
asked by Jake 
English
Jake tell that in long ago when his father offer things in same tone as question he ask which be “You , comin jake?, he regularly refuse. Why he do this? That be because he giving orders not asking nicely?
asked by Mohammad 
Human Body
Identify one factor that can decrease and one factor that can increase your lympathic and immune systems' abilities to fight off illness and disease
asked by Lynn 
physics
an 80 kg man rides in a car which makes a turn. he moves along a curve with a radius of 20m at a constant speed of 20m/s. how much centripetal force acts on him?
asked by teri 
Math lit
Add the missing terms so that these quantities are in proportion. _:11:_and 11:121:11. And this one 26:52:13 and _: _:1
asked by mavuso 
physics
an 80 kg man rides in a car which makes a turn. he moves along a curve with a radius of 20m at a constant speed of 20m/s. how much centripetal force acts on him?
asked by teri 
Bio
Does hyaline cartilage have fibers in it?
asked by Rebekah 
Chemistry
How many grams of potassium phosphate must be dissolved in 3.75 Liters of water to produce a soltuion that contains 8*10^23 potassium ions?
asked by Whitney 
English
I have write a evaluation essay on the movie Troop 1500. So my thesis is Taking daughters to see their mothers in jail should be a program of it's own. I don't know if my topic sentence is correct: One reason a program should be made separate for
asked by Taylor 
English
jake say that aftr today he have to start making some phone calls or have phone removed. what he mean? that mean that he have to face people or be lonely forever?
asked by Mohammad 
Reading
What does it mean to say "I don't want to sound to hostile"???? Please answer in small words so that I can understand, sorry if that sounds rude but I am dyslexic.
asked by Susana 
CHEMISTRY
What will be the concentration if 52mL of a solution that is 12ppm in sodium chloride is diluted with enough water to make 97mL of solution?
asked by Sarah 
civics
_____ States supported the _____ Plan, which called for a bicameral legislature in which States would be represented according to their population. Slave, ThreeFifths =Larger, Virginia Northern, Connecticut Smaller, New Jersey
asked by Sierra 
Spanish  beginner
Does it sound right? Tengo un primo como vive en España, Madrid, cerca Puerta del Sol. Es mi primo Fabian y tiene diecinueve años. Es de España pero no habla español. Fabian te gusta esciar. Mi primo ha tenido dos gatos azules pero hemos morido ayer
asked by Samir 
Natural Science
Where do the shortest wavelenghts accur ?
asked by Steven 
Reading
what is an easy definition for the word "accent"?
asked by Susana 
Algebra 1
Whats: 3 < j + 2 < 7
asked by Jena 
chemistry
Q1) For the reaction, A ¨ B, ƒ¢H‹ = +11.00 kJ mol1 and Keq is 12.50 Calculate i) ƒ¢G‹ and ii) ƒ¢S‹ at 25 ‹C. [0 ‹C = 273.15 K; R = 8.314 J K1 mol1]
asked by jenny 
English
what be painful realization made by old man at end of his life? he not able to give love? i thought he not die, he just walk inside home.
asked by Mohammad 
math
i tried to simplify 10/8 i got the answer of is 2/4 am i correct
asked by mary 
math
If there are 75 animals in a pet store and a pie graph shows 16% are cats how many of the animals are cats
asked by Emily 
English
In last paragraph how author emphasize lack of love in old man? i not get this. i also not get ending which be The old lady was waiting for us on the path. He walked straight toward her voice. I felt the pinch of her words and fell behind. The man walked
asked by Mohammad 
math
how can i make a fraction into a pound
asked by mary 
grammar
what is the direct object in the head of the stables often mistreated agba and the young colt
asked by tyler 
Spanish  beginner
How do I say: He always smells like garlic. Is it: Siempre huele como ajo. /sorry for my english
asked by DAME 
English
When do I use had have had has had had
asked by Anonymous 
Civics
Which is NOT true of the segregation laws passed after the Civil War? =They prohibited interracial marriage. They did not only apply to blacks. They were only in the South. All of these statements are true.
asked by Sierra 
Math Help Desperate...
Thank you very much for answering the candy question last night.
asked by TO: Damon 
Math Help Desperate...
Thank you very much for answering the candy question last night.
asked by TO: Reiny 
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? 35 said they drove alone. 24 rode in a carpool. 33 rode public transportation. 5 used both carpools
asked by dee 
Science!
When many gene pairs work together, this is called......? Help!!!!! Please!!!!!
asked by Anonymous 
calculus
Find the surface area generated when y = (x^3/12) + (1/x), from x=1 to x=2 is rotated around the xaxis.
asked by Anonymous 
Physics
Pepper pulls a 20.0 kg object along the floor accelerating at 2 m/s/s, and μ = .2. How much work has he done while pulling the string 5.0 m? If it takes her 1.0 seconds, how much power has she used? If 1.0 kcal = 4184 J, and an Oreo has 50 kcal, how many
asked by Sara 
Physics
A block (m = 38.0kg) sits on an inclined plane of 38 degrees. If there is no friction,k what magnitude force is needed to keep the block from sliding? If there is friction, with coefficients 0.580 and 0.630, what is the maximum magnitude force that can be
asked by jane 
Math
Explain how you can use division by a fraction to figure out how many 4oz are in 3 lbs
asked by Georgette 
statistics
Select a sample of 20 individuals and the test the hypothesis =225 for IQ level. Use a=0.05
asked by Anonymous 
math
Open boxes are being designed to hold mail for the post office. The boxes will be made to have the greatest possible volume. Each box will be made from a sheet of metal that measures 15 inches by 12 inches. They will be formed by cutting and removing a
asked by Frank 
Calculus
For each function, find the derivtive f'(a) for given value of a f(x) = sqrt(x+1), a=0
asked by Jake 
CHEMISTRY
Guys i really need help in these three problems. If someone could explain how to do this i would appreciate it! complete and balance the following equations 1. SO3^2 + Cu^2+ > SO4^2 + Cu^+ 2. Cr +Cu^2+ > CrO4^2 + Cu^+ 3. MnO2 + Ag^+ > MnO4^ +
asked by Keisha 
Algebra/ Precal
Sales= S(thousands) t=yrs S=100(1e^(kt)) k=0.035 How many units were initially sold? How many were sold after 10yrs?
asked by HELP ASAP 
3grademath
Can a rectangle also be a rhombus? Explain
asked by Dk 
algebra
How can you tell the difference between independent, dependent, and inconsistent
asked by Jodi 
Math
What Is $90 For 40 minutes Is How Much For 60 Minutes? What Is The Answer To This Question.
asked by Alaric 
education
What is meant by the term global community? Give an example of how you can participate in the global community as a classroom teacher.
asked by danie 
education
Do you feel that technology helps or hinders parents in becoming more involved in their students' education? Why?
asked by danie 
English
what be jakes opinion of honesty of adults? adult not be honest enough to admit how they feel?
asked by Mohammad 
Economics
If the federal government enacts a tax on a monopoly, how would you expect the additional tax to affect the following: 1. Output produced by the monopoly 2. Prices charged by the monopoly 3. Profits of the monopoly
asked by Nicole 
physic
what is thermometer
asked by shaka 
English
I need to write two short paragraphs. The first should be a description of the uses of a mobilie phone (I use my mobile phone to ......... It has got..... /functions ) The second should contain useful expressions needed when buying a mobile phone? Could
asked by Henry2 
Earth Science
What is the landform of the Grand Teton?
asked by Joni 
english analogies
superman is to metropolis as  is to gotham city
asked by Anonymous