Questions Asked on
April 15, 2011

English
1. He may not be rich. 2. He can not be rich. (Are both the same or different? If they are different, why is that?)
asked by rfvv 
Physics
Suppose the roller coaster in Fig. 641 (h1 = 30 m, h2 = 11 m, h3 = 20) passes point 1 with a speed of 2.10 m/s. If the average force of friction is equal to one fifth of its weight, with what speed will it reach point 2? The distance traveled is 50.0 m.
asked by Brittney 
business
what are a few leadership strategies best suited for today’s industry needs?
asked by Anonymous 
Math
Of the first graders who were asked, 1/6 like math best, 2/3 liked reading best, and 12 liked science best. How many were asked their favorite subject?
asked by Jacob 
computer networking
Mobile Training is a small training firm that offers mobile classrooms that come to your company and teaches office software,such as word,excel,QuickBooks,etc. You're asked to design a network for use in a training environment. it should be mobile,easy to
asked by stacey 
MATH
A Science instrutor assigns his student one second of home work..the first week of school,two seconds. the second week four seconds, the third.if the student asked whether he would agree to this weekly homework doubling for the duration of the 36week
asked by MIKE 
science (nursing)
can you help me what are the big ideas for nursing
asked by erianne 
Math
Of the first graders who were asked, 1/6 like math best, 2/3 liked reading best, and 12 liked science best. How many were asked their favorite subject?
asked by Jacob 
Chemistry
The reform reaction between steam and gaseous methane () produces "synthesis gas," a mixture of carbon monoxide gas and dihydrogen gas. Synthesis gas is one of the most widely used industrial chemicals, and is the major industrial source of hydrogen.
asked by BlahxD 
algebra
While working at The Nut House you are asked to make a mixture of raisins and nuts worth $2.75/lb. You have 12 pounds of raisins worth $1.25/lb. How many pounds of nuts worth $4.00/lb should you add to the raisins to get the rightpriced mix? I have no
asked by Loretta 
Calculus (pleas help!!!)
Consider the parameterization of the unit circle given by x=cos(4t^2−t), y=sin(4t^2−t) for t in (−InF, INF). Describe in words and sketch how the circle is traced out, and use this to answer the following questions. (a) When is the parameterization
asked by Catherine 
Calculus (urgent!!)
A particle moves with its position given by x=cos(2t) and y=sin(t), where positions are given in feet from the origin and time t is in seconds. A)Find the speed of the particle. Speed = ____________ (include units) B)Find the first positive time when the
asked by Catherine 
math
(21)5=2x51x5 illustrates what?
asked by anonymous 
Chemistry (Hess's Law)
NO2(g) → 1⁄2N2(g) + O2(g) ΔH1 = 33.9 kJ NO2(g) → NO(g) + 1⁄2O2(g) ΔH2 = 56.5 kJ What is ΔH for the reaction 1⁄2N2(g) + 1⁄2O2(g) → NO(g) ?
asked by Monty 
MATH PLEASE HELP!
HOW DO YOU MAKE 4.2 A ONE, HOW DO YOU ISOLATE IT OR DO SOMETHING SIMILAR
asked by anonymous 
math
using the inverse property of division how would you isolate 4.2? example of inverse property of multiplication: 3x5=25 you would add 5 to 25 and then divide 3 to 3x and 25
asked by anonymous 
calculus
Is it possible to find an example of a bounded region in the x, y plane that satisfies the following condition : when you revolve the region about the x axis you obtain a solid that has a volume equals its surface area
asked by Sara 
math
A factory needs two raw materials, say, A and B. The probability of having an adequate supply of material A is 0.94, whereas the probability of having an adequate supply of material B is 0.96. A study shows that the probability of a shortage of both A and
asked by Fakaapo. Suetusi 
calculus
Is it possible to find an example of a bounded region in the x, y plane that satisfies the following condition : when you revolve the region about the x axis you obtain a solid that has a volume equals its surface area
asked by Sara 
math
is this equation is a linear equation [x + 2y 3z / e^2 + In(2) =0.]true or false
asked by Fakaapo. Suetusi 
math
In how many ways can a committee of five people be selected from seven women and nine men if at least one woman must be in the committee?
asked by Fakaapo. Suetusi 
Japanese
On thursday I posted a question. I had done most of the work I just didn't put those things in my book. I have figured out some of those that I posted on Thursday and I have done everything else but can someone tell me what these answers are in
asked by Caity 
math
(BC)^2=(CB)^2, Where B and C are (n x n) in matrices.Is it true or false.
asked by Fakaapo. Suetusi 
AP CALCULUS!! HELPPP URGENT
related rates: the base of a pyramidshaped tank is a square with sides of length 12 meters, and the vertex pyramid is 13 meters above the base. the tank is filled to a depth of 5 meters, and water is flowing into the tank at the rate of 2 cubic meters er
asked by Raven 
chemistry
. Given the following stocks 4M NaCl, 3M NaOH, 5M HCl (a) Prepare 200ml of a solution containing 0.5M NaCl and 0.1M (b) Prepare 300ml of a solution containing 0.5M NaCl (c) Prepare 200ml of a solution containing 0.5M NaCl and 0.1M HCl
asked by tom 
home economics
Wha is leisure?give 5 implications of leisure
asked by Pwagwadi anthony madwatte 
Analytical Chemistry
Hi. We performed an experiment on UVVis Spectrometry, by testing the absorbance of KMnO4 and KCr2O7 solutions at different concentrations. We prepared the dichromate solutions with dilute sulfuric acid. Why didn't we use water, what is the purpose of
asked by Amie 
MATH
A Science instrutor assigns his student one second of home work..the first week of school,two seconds. the second week four seconds, the third.if the student asked whether he would agree to this weekly homework doubling for the duration of the 36week
asked by MIKE 
chemistry
Just wanted to say thank you to DrBob for responding back even if he wasn't able to answer the question posted on Thur. 4/14/2011. If there is anyone else who can answer I'd appreciate it.
asked by Connie 
Chemistry
At 298K, 2PCl3(g)+O2(g)> 2POCl3(l) Delta H= 620.2kJ for the reaction and the standard molar entropies are ,PCl3(g)= 311.8J/K,O2(g)= 205.1J/K and POCl3(l)=222.4J/K. Determine the standard free energy change at 298K.
asked by PM221 
geometry
Triangle ABC has vertices A(3,2) B(4.5) AND C(4,1) Fin out wether the triangle is isosceles?
asked by Teresa 
medical
i am Prepare a report on what information i found that could impact your future career and how will you use this information? medical in the office. •Changes experienced by the organization? •Mission, vision, and values of the organization? •Discuss
asked by Denese 
Chemistry
Oxides of nitrogen are produced in hightemperature combustion processes. The essential reaction is: N2(g)+O2(g)>2NO(g) At what approximate temperature will an equimolar mixture of N2(g) and O2(g) be 5.0 % converted to NO(g)?
asked by Krutika 
Math.
A bowl contains 8 marbles: 3 red, 2 blue, 1 white, and 2 green. If 3 marbles are randomly selected without replacement, what is the probability that no green marble is selected? I don't know how to do probability.
asked by Diana 
physics
In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped into a
asked by niki 
physics
What mass (in grams) of steam at 100°C must be mixed with 341 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 57.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, and
asked by tim 
Chemistry
Estimate the aqueous solubility, in milligrams per liter, of AgBr(s) at 160degrees celsius.
asked by 9037 
math
Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her brother?
asked by mm 
help please
if you are printing an essay on the comuter....can the essay be double line space?
asked by sonia 
Chemistry
How do you work the problem 1:10 dilution of 75mL of 2.5M H2SO4
asked by Connie 
social studies
Compare the Freedom Charter with the United States Constitution. What rights and guarantees does the Charter call for that are different from those in the Constitution?
asked by michael 
economics
some study guide questions i am stumped on 1 uncertainty about the future is likely to a increase current spending b either increase or decrease c decrease current spending d no impact on current spending think it's d 2 as the general price level increases
asked by samuel 
Algerbra
what is x if the problem is: (x+2)(x+4)=30+x
asked by Margret 
teaching
Collecting tickets and money from students, encouraging good manners, and helping with cleanup are tasks associated with which duty? A Monitoring the playground B Monitoring the lunchroom C Monitoring the halls D Monitoring the inschool suspension room I
asked by Bree 
algebra
How to simplify the square root of 45 plus 4 square root 5
asked by Suzanne 
Chemistry
2C2H6 +7O2 > 4CO2 + 6H2O If 6 moles of O2 are used in the following reaction, how many grams of CO2 will be produced?
asked by Barbara 
algebra
How to simplify the square root of 45 plus 4 square root 5
asked by Suzanne 
algebra
How to simplify the square root of 45 plus 4 square root 5
asked by Suzanne 
Chemistry
Zn + HCl > ZnCl2 + H2 If 18 grams of Zn are used in the following reaction, how many grams of H2 will be produced?
asked by Barbara 
Physics
A cylinder with a moveable piston holds 2.60 mol of argon at a constant temperature of 295 K. As the gas is compressed isothermally, its pressure increases from 101 kPa to 149 kPa. (a) Find the final volume of the gas. Answer in m3 (b) Find the work done
asked by steve 
Math
how do you find the surface area of a sphere if the circonference measures 20 pie ft? A. 1256.6ft squared B. 10ft squared C. 314.2ft squared D. 62.8ft squared
asked by Destine'e 
Physics *work shown ~ pls help!
An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is 9.10939 × 10^−31 kg. How strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.1
asked by cr 
Physics ~ work shown, pls help!
A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular to the velocity of the proton. Find the orbital speed of the proton. Answer in units of m/s. I came up with .118/2.83x10^7 and
asked by cr 
Physic ~ pls help
A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a battery with electric potential V as shown in the figure. A magnetic field ~B is now imposed. The acceleration of gravity is 9.8
asked by cr 
chemistry
PLEASE NOTE: Titration requires several steps in order to obtain exact results. The procedures described in this lab assume that you have already done the TITRATION TUTORIAL and are familiar with the technique. 1. Prepare the NaOH solution by dissolving
asked by Zach 
PHYSICS
A 30 kg. balloon is filled with 100 m to the third power of helium. how much force is needed to hold it down?
asked by DMITRIC 
Chemistry (lewis structure/bond)
Example: Sulfur Trioxide Chemical formula: SO3 Valence e: ? Needed e: ? Difference/Bond: ?? Please help me!
asked by Toni Jones 
Solutions Chem
7) You have a 2.5M solution of Silver Nitrate. It contains 450mL of solution. How many grams of silver would you be able to extract? Cu (s) + 2AgNO3 (aq) > 2Ag (s) + Cu (NO3)2 (aq) I've gotten this much: M=mol/L 2.5=mol/.45 mol= 2.5*.45 mol=1.125 Silver
asked by Sarah 
More Solutions Chem
You have 315.00g of sodium hydroxide. How many liters of dangerous 12.0M sulfuric acid (H2SO4) can you neutralize with your supply? __NaOH(s) +__ H2SO4(aq) > __Na2SO4 + __H2O(l) I know the answer is .43, but I don't know how to get there. Thanks!
asked by Sarah 
PHYSICS please
what is the minimum gauge pressure needed in the water pipe leading to a building if the water is to come out of a faucet on the 12th floor, 41m. above the pipe.
asked by DMITRIC 
biology
Photosynthetic electron transport, like cellular respiration electron transport, is a series of redox reactions. True False I think it is true.
asked by sarah 
discrete math
Fill in the blanks: For all sets A and B, if A is in the set of B, then A union B in in the set of B. Proof: Suppose A and B are any sets and A in in the set of B. [we must show that __________] Let x be and element of _______. [we must show that
asked by heidi 
biology
Explain negative feedback and give one example in the human body.
asked by Tia 
Physics work shown
A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a battery with electric potential V as shown in the figure. A magnetic field ~B is now imposed. The acceleration of gravity is 9.8
asked by cr 
Physics with work, pls help
A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular to the velocity of the proton. Find the orbital speed of the proton. Answer in units of m/s. I came up with .118/2.83x10^7 and
asked by cr 
Physics ~work shown pls help!
An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is 9.10939 × 10^−31 kg. How strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.1
asked by cr 
History
Concidering how religion has shaped our nation by looking back at England and the climate there for Christian, explain the affect of colonization of the New World inregards to the Reformation in Great Britain.
asked by Elain 
mechanics
Consider a jet of water striking a vertical wall horizontally a speed of v. After hitting the wall, the water moves along the wall. If the area of crosssection of the water jet is S, Find the force that it applies on the wall. Take the mass density of
asked by mittal 
physics
what is the torque a bolt with 30 cm wrench with an applied force of 650n?
asked by erik 
Psychology
Is it easier for young women or older women to 'weather' a divorce. I've looked all through my book and cannot find any into pertaining to this question. Please help.
asked by Shambrey 
statistics
you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck.
asked by confused 
social studies
Explain how The Federalist Papers would have been more or less successful if newspapers had been printed monthly (rather than daily or weekly) in a few sentences.
asked by cw 
chemistry
How to calculate [Co3+] in equilbrium with [co(NH3)6]3+ when 10.0 g of Co (No3)3 is dissolved in 250.0 mL of 1.00 M NH3?
asked by uma 
music
what similarities does Claudio Monteverdi and Antonio Vivaldi have in common?
asked by sally 
HIM
Medicare and Medicaid financial issues put constraints on? a. physician services b. critical care centers c. public hospitals or d. outpatient services
asked by PSH 
Statistics
you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. a) are the outcomes on the two cards independent? why? b) find P(3 on 1st card and 10 on 2nd) c) find P(10 on 1st
asked by destiny 
music
what similarities does Claudio Monteverdi and Antonio Vivaldi have in common?
asked by sally 
calculus 2
evaluate: ¢²_(k=1)^¡Ä¢Æ(¡î(k+1)+¡îk)/¡î(k^2+k)
asked by y 
Physics
A motorboat travels at a speed of 40 km/h relative to the surface of the water. If it travels upstream against a current of 12 km/h what is the boats speed relative to the shore?
asked by aj 
Calculus 3
Compute the average value of following fuction over the region R? f(x,y)= sinxsiny R= { (x,y): 0 ≤ x ≤pi, 0 ≤ y ≤pi}
asked by Z32 
physics
Find the electric field at the folowing radii from the center of this charge configuration.
asked by Shannah 
physics
An object with a net charge of 21 µC is placed in a uniform electric field of 590 N/C, directed vertically. What is the mass of the object if it "floats" in the electric field?
asked by Shannah 
physics
Find the rms speed of H2O molecules in atmospheric water vapor at a temperature of 13.2° C.
asked by ECU 
physics
A driver measures her "cold" tire gauge pressure to be 1.95 105 Pa. The measurement is made before driving, when the tires are at the temperature of the surroundings, 21.7° C. After driving several miles, she checks the gauge pressure again and finds that
asked by ECU 
physics
Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.13 x 10^3 g. The particle is initially moving perpendicular to one of the walls of the box at a speed of 525 m/s. Assume that the collisions
asked by ECU 
MAth
I set this problem up as 5002X=3,400 Marys monthly salary is $500 less than twice her daughter's salary. Together they earn $3,400 each month. How much is the daughter's salary. ans1,300 5005002x=3,400500 2x=3,100 2x/2=3,100/2 what am I missing
asked by Caroline 
PHYSICS help please
a DC10 aircraft is flying at an altitude where the atmospheric pressure is 40% of sea level pressure. if the aircraft interior is maintained at sea level pressure, what is the size and direction of the net force acting on a cabin door that is 1.0 meters
asked by IVLIVS 
MAth
jerry is 6 more than 3 times as old as his son.together they are 46 yrs old. how old is jerry. ans 36 I set up problem 6+3x=46 to start?
asked by Caroline 
MAth
I don't know how to begin this onehelp Janie bought 2 pairs of identical jeans at a sale.she paid regular price for the 1st pair and paid half price forthe 2nd pair.if the the total cost was $45.00,what was the regular price of the jeans? 2x1/2x=45 ??
asked by Caroline 
Math
Jennifer has a 60month fixed installment loan, with a monthly payment of $223.04. The amount she borrowed was $11,000. Instead of making her 36th payment, Jennifer is paying the remaining balance on the loan. What is the total amount due to to pay off the
asked by Hira 
Chemistry
Benzene (C6H6) is an organic compound that boils at 80.1°C. If 100.0 grams of liquid benzene at 18.5°C is given 16.88 kJ of energy, what is the final temperature (in °C) of the benzene? The ΔHvaporization for benzene = 31.0 kJ/mol and the specific heat
asked by Laura 
science
100 ml of 0.02 M acetic acid (pKa= 4.76) is titrated with 0.02 N KOH. After adding some base to the acid solution, the observed pH is 2.76. At this pH degree of protonation is
asked by kavin 
Business Math
What amount must be paid to settle an invoice of $1200 dated Nov.28 , terms 3/10, n/30 if the invoice is paid on Dec. 3? I got $1164. Am I right? Thanks
asked by ann 
physics
A) As a wind instrument warms up, the resonant frequencies of the instrument tend to slightly decrease. B) If the air in a concert hall warms up, the resonant frequencies of the string instruments will change precisely the same as the resonant frequencies
asked by JamieLee 
earth science
what element does ammonia replenish in the soil?
asked by rukhsar 
Oral presentation
My teacher gave us a sonnet and he said that we have to do an oral presentation that faithfully interprets the meaning of the poem. Do you have any ideas on how to make an oral presentation describing a poem. Should I explain line by line or just put the
asked by Allison 
Chemistry
A 30.9 L cylinder containing C2H4F2 at a pressure of 114.0 torr is connected by a valve to 0.865 L cylinder containing C4H10 at 114.0 torr pressure. Calculate the partial pressure (atm) of C4H10 when the valve is opened.
asked by ChemLover 
Physics (please help!!)
The Crab pulsar (m=2.00x10^30 kg) is a neutron star located in the Crab Nebula. The rotation rate of the Crab pulsar is currently about 30.0 rotations per second, or 60.0pi rad/s. The rotation rate of the pulsar, however, is decreasing; each year, the
asked by Abigail 
English
Arranging a narrative in chronological order does NOT help the writer to: A. recognize the order of events B. create interest by showing effects before their causes. C. show steady character development D. allow for surprise endings I'm stuck between A and
asked by anthony 
Statitics
The value given below is discrete. use the continuity correction and describe the region of the normal distribution that corresponds to the indicated probiality. The probability of fewer than 35 men are senators who are men a)the area to the left of 35.5
asked by Bella 
GMAT Essay
Hey All, Please rate my GMAT essay out of 6. The topic is “Of all the manifestations of power, restraint in the use of that power impresses people most.” Explain what you think this quotation means and discuss the extent to which you agree or disagree
asked by Steven 
English
Select the letter of the best correction for the runon below. Perhaps Eric first saw Greenland in midsummer when it was really green. A. Perhaps Eric first saw Greenland in midsummer it was really green. B. Perhaps, Eric first saw Greenland in midsummer
asked by anthony 
science (nursing)
what does education means in the field of nursing
asked by erianne 
chemistry
If 20 L of O2 burns completely a sample of carbon disulfide, how many liters of carbon dioxide are produced, how many liters of carbon dioxide are required?
asked by Trish 
physical
Everyone i need your attention! I'm having a HUGE PE test on Monday, and I don't know how many players are on a basketball team!!!!! HELP??????
asked by Logan 
Foregin Language
How do u say hello in German and Italian?????????????????????????????????????????????????????
asked by Lilllly 
home economics
How many eggs should be added in to a standard chocolate cake recipe? :) k cool thankss
asked by Emileebabee 
nutrition
in America million children live in poverty .
asked by abel 
chemistry
If 20 L of O2 burns completely a sample of carbon disulfide, how many liters of carbon dioxide are produced, how many liters of carbon dioxide are required? How did you get 16?
asked by Trish 
College Algebra
The length of a rectangle is fixed at 11cm. What widths will make the perimeter greater than 72cm?
asked by deb 
chemistry
How do you balance the equation NH3 + CuO > Cu + H2O + N2
asked by Trish 
College Algebra
The function H described by H(x)= 2.75x+71.48 can be used to predict the height in centemeters, of a woman whose humerus(the bone from the elbow to the shoulder)is x cm long. Predict the height of a woman whose humerus is 32cm long.
asked by deb 
EnglishCHECK PLEASE
Ok, I figured this out (I think) but can you please check? Don't worry. I can carry the tent all by myself because it is so light. I do not even need a lantern it is so light outside. In these sentences, the word "light" is used as a: A:homophone
asked by Catherine 
english macbeth act 3
hey sorry i can't find the question iu poseted earlier so i'm going to ask again....it's about macbeth act3.... how did the relationship between macbeth and lady macbeth change? again all that i know is that macbeth wants more power and lady macbeth is
asked by Mark J. 
SQL
1 A SQL statement is needed to create a stored procedure that has one input parameter of data type int. The stored proc selects the supplierId field and the total, or sum, of all Count field values for each group of supplierId fields from the Part table.
asked by Robert 
Physics
f a water bed is 1.81 m on each vertical side and 30 cm high. Find its weight. The acceleration of gravity is 9.8 m/s2 and the density of water is 1000 kg/m3. Answer in units of N
asked by ROb 
PHYSICS
A) As a wind instrument warms up, the resonant frequencies of the instrument tend to slightly decrease. B) If the air in a concert hall warms up, the resonant frequencies of the string instruments will change precisely the same as the resonant frequencies
asked by J 
Physics
A conduction heat wave is caused to pass through a metal bar of average temperature Tmean = 36 degrees altering its temperature sinusoidally with an amplitude of Ti=2 degrees. The equation which gives the temperature T(x.t) of the metal bar at any place
asked by Michaela 
Chemistry
An electrochemical cell that uses the reaction Ti^3+ + 2Cr^2+ > Ti^1+ + 2Cr^3+ Has a standard cell potential of E¢ªcell = +1.19V a. Write the two halfcell reactions. b. Labeling all parts and show the direction of flow of electrons. (Place the anode
asked by Anna 
Criminal Justice
Could someone please help me with this question? What are crime rates? This is what I have so far: Crime rates are the number of offenses reported for each unit of population. How could I expand on this? Thanks for your help!
asked by Helen 
MAth
a concrete area measures 20ft on each side. the concrete slab will be 8 inches deep. how many cubic feet of concrete will be needed? my set up is 20 x 20 + 32 ????
asked by Caroline 
English
Write a story using the words alcove, bigoted, clandestinely, corrugated, futile, inexorably, plausible, ramification, sanguine, and scrutinized. It can be any version of the word and they can be in any order.
asked by Kelly 
math
What is the average area of a theme park? Thanks!
asked by Lydia 
statistics
A researcher is testing a null hypothesis that states: H: ì = 50. A sample of 25 scores is selected and the mean is M = 55.Assuming that the sample variance is s2 = 100, compute the estimated standard error and the t statistic. Is this sample sufficient
asked by kesha 
Chem
estimate the aqueous solubility, in milligrams per liter of AgBr(s) at 160 degrees C
asked by Joe 
math
i am wonder how to do divsion
asked by anya 
Chemistry
A 30.9 L cylinder containing C2H4F2 at a pressure of 114.0 torr is connected by a valve to 0.865 L cylinder containing C4H10 at 114.0 torr pressure. Calculate the partial pressure (atm) of C4H10 when the valve is opened.
asked by BOB PLEAE HELP!!! 
Chem
A 150.0 mL cylinder containing CO at a pressure of 9.50 atm is connected by a valve to 9500 mL cylinder containing B5H9 at 2280 torr pressure. Calculate the partial pressure (atm) of B5H9 when the valve is opened.
asked by noclueboo 
Chemistry
Calcultate the volume (in mL)of 0.250M silver nitrate solution required to react completely with a 5.00g piece of copper wire. (Assume the reaction runs at 100% yield.)
asked by Tinkerbell* 
PHYSICS
The pressure at the bottom of a vessel filled with liquid does not depend on: a the acceleration of gravity b the liquid density c the height of the liquid d the area of the liquid surface
asked by DMITRIC 
trig
Graph this trigonometric function. y=4cos(x/2+3.14)+1
asked by Bob 
geometry
find x, if ABC is an isosceles triangle with AB=BC
asked by Step 
sixth grade math
Gene has less than 12 nickels,dimes,and quarters in his pocket.The probability of pulling out a nickel or a quarter is 3/4.The probabilty of pulling out a dime is 1/4.How many coins does Gene have in his pocket?How many of each does he have?Please explain
asked by mike T 
chem
Consider the following reaction. 2 NO(g) + 2 H2(g) N2(g) + 2 H2O(g) An equilibrium mixture of this reaction at a certain temperature was found to have [NO] = 8.1 103 M, [H2] = 4.1 105 M, [N2] = 5.3 102 M, and [H2O] = 2.9 103 M. What is the value of the
asked by Rebekah 
Physics
Can someone check if this is correct or not? Listed following are events or phenomena that occur during either the part of the sunspot cycle known as solar minimum or the part known as solar maximum. Match these items to the correct part of the sunspot
asked by Misty 
chemistry
Find te Yield of Carbon Dioxide in an Alkaseltzer Reaction. Equation: HCH3COO (Acetic Acid)+ NaHCO3 (Sodium Bicarbonate) > NaCH3COO+ H20 (water)+ CO2 (Carbon Dioxide) So i know to find the Yield its Actual Yield / Theoretical Yield. How do i find the
asked by Sara 
Chemistry
Mg(s) + 2HCl(aq) > MgCl2(aq) + H2(g) If 1.0g of Mg is reacted with 10.0mL of 6.0M HCl, what volume of hydrogen gas will be produced at 298K & 1atm?
asked by Christina 
statistics
According to the book Are yoy Normal?, 40% of all US adults try to pad their auto insurance claims to cover their deductible. Your office had just received 128 in insurance claims to be processed in the next few days. What is the probability that half or
asked by yo 
Algebra
I was given this problem to solve and no matter what order I multiply the variables I don't get the right answer. 27xy, when x=12.7 and y=100.4 the answer is 34,427.16 I cannot figure out the way to achieve this answer. I find problems with variable fairly
asked by Aria 
Statistics
Before i state my question I would like to note that I have to do a one tailed test but i don't know how to with the information given. I need a standard deviation, i need a mean, but do i use the mean for yrs drivin or number accidents. Please explain 2.)
asked by Johnathon 
Private Property
Hi. Im learning about economics, and I am not really strong in this area. So I would like to know what this term means. Private Property. Please try to simplify it as much as possible so that I understand.
asked by Anonymous 
soc 110
a. In urban areas across our country, identify at least three technologies that Americans have become dependent upon in their daily lives. b. Using the technologies that you described in (a), discuss at least one advantage and one disadvantage that people
asked by TANYA 
Command Economies
All I kind of know is that, the government controls the Command economies, they direct people on what to produce and what not. In the command economy what goods and services should be produced? I didn't really understand this, so I wrote down...Shoes,
asked by Anonymous 
PHYSICS
The input piston of a hydraulic press is 20mm in diameter, and the output piston is 10mm in diameter. an input force of 1.0N will produce an output force of: a 0.25N b 0.50N c 2.0N D 4.0N
asked by DMITRIC 
Free Market Enterprise
This economy focuses on Competition. What goods and services should be produced? Electronic gadgets, Clothing, accessories, perfumes, vehicles, Spa treatment, Cellphone, toothpaste, chocolate milk. How should these goods and services be produced?
asked by Anonymous 
Public Sector/Private Sector
Would like to know what Public and Private Sector Mean. In simplified terms please and thank you.
asked by Anonymous 
Definition
What does innovation mean? Does it just mean a new idea?
asked by Anonymous 
Free Market
Would please like to know about Free market in simplified Terms. Does it run without competition?
asked by Anonymous 
Economic Equity
What does Economic Equity mean? I tried to come up with a simple definition for me to understand below. Economy in which the sharing of resources or goods among the people is considered fair. Is that it?
asked by Anonymous 
Economic security
I don't really understand this term. Could you please explain it to me.
asked by Anonymous 
Chemistry (please check)
1)Which of the following compounds has the largest lattice energy: LiF LiCl NaF NaCl 2)Which of the following compounds has the most ionic character in its bonding: CaBr2 GeBr4 KBr GaBr3 3)Using the electronegativity table on page 364 of your text, which
asked by Abi 
Economic Stability
What does this term mean? Does it basically mean.. The rate at which the general level of prices for goods and services is rising. Could you sort of simplify it a bit more. What does general level mean?
asked by Anonymous