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October 25, 2014

Search: According to Boyle's law, for a fixed quantity of gas at a given temperature, what quantity relating pressure P and volume V is constant? Express your answer as a mathematical expression using the variables P and V

Number of results: 46,101

calculus
Boyle's law states that if the temperature of a gas remains constant, then PV = c. Where P is the pressure, V is the volume, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 13 in.^3/s, at what rate is P increasing when P = ...
May 2, 2010 by Hussain

chemistry
A fixed quantity of gas at 27°C exhibits a pressure of 729 torr and occupies a volume of 5.70 L. (a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.75 atm while the temperature is held constant. (b) Use Charles's law to calculate ...
April 27, 2010 by Chase

chemistry
A fixed quantity of gas at 27°C exhibits a pressure of 729 torr and occupies a volume of 5.70 L. (a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.75 atm while the temperature is held constant. (b) Use Charles's law to calculate ...
April 30, 2010 by chase

chemistry
A fixed quantity of gas at 27°C exhibits a pressure of 729 torr and occupies a volume of 5.70 L. (a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.75 atm while the temperature is held constant. (b) Use Charles's law to calculate ...
April 30, 2010 by chase

Anatomy & Physiology
How do the gas laws (Daltons, Boyles and Henrys)apply to the respiratory processes? I will be happy to critique your thinking on this. I know Dalton's Law is the law of partial pressures, Boyle's law is the law for a fixed mass of ideal gas at fixed temperature, the product of...
March 21, 2007 by Aletha

Chemistry
1. Calculate the number of molecules in a deep breath of air whose volume is 2.15 L at body temperature, 36 degrees Celsius, and a pressure of 740 torr. 2.A fixed quantity of gas at 24 degrees Celsius exhibits a pressure of 740 torr and occupies a volume of 4.42 L. a)Use Boyle...
November 2, 2009 by Emory

Anatomy-bobpursley
How do the gas laws (Daltons, Boyles and Henrys)apply to the respiratory processes? Anatomy & Physiology - bobpursley, Wednesday, March 21, 2007 at 11:51am I will be happy to critique your thinking on this. Anatomy & Physiology - Aletha, Wednesday, March 21, 2007 at 12:00pm I ...
March 21, 2007 by Aletha

Science/Biology/Physics
Which of the following represents Boyle's gas law? A. Gas turns to a liquid when temperature reaches 0° C (32° F). B. As the volume of a gas increases, the temperature also increases. C. At any temperature, inert gases are less combustible than non-inert gases. D. At a fixed ...
July 24, 2014 by J

Physics
According to Boyle's law, the volume V of a gas at a constant temperature varies inversely with the pressure P. When the volume of a certain gas is 125 cubic meters, the pressure is 20 psi (pounds per square inch). If the volume of gas is increased to 400 cubic meters, the ...
May 25, 2012 by Pat

science
A fixed quantity of gas at 22°C exhibits a pressure of 739 torr and occupies a volume of 5.46 (a) Calculate the volume the gas will occupy if the pressure is increased to 1.74 atm while the temperature is held constant.
December 14, 2012 by Samantha

chemistry
12.00 liters of oxygen gas is under a pressure of 20 mm Hg. If the volume of this gas is decreased to 2.00 liters at constant temperature, what will the new pressure be? I believe this is Boyle's law and the answer should be 120 mm Hg, but according the answer on practice test...
December 4, 2012 by Jo

chemisty
12.00 liters of oxygen gas is under a pressure of 20 mm Hg. If the volume of this gas is decreased to 2.00 liters at constant temperature, what will the new pressure be? I believe this is Boyle's law and the answer should be 120 mm Hg, but according the answer on practice test...
December 4, 2012 by Jo

Chemistry
Let's say that you are asked to design an airbag for a car. You know that the bag should be filled with gas with a pressure higher than atmospheric pressure, say 828 mmHg at a temperature of 22.0 C . THe bag has a volume of 45.51. What quantity of sodium azide should be used ...
May 28, 2013 by Leslie

chemistry
A fixed quantity of gas, at constant pressure, occupies a volume of 8.50 L and has a temperature of 29.0 degrees C. What volume will the gas occupy if the temperature is increased to 125 degrees C? 6.4, 11.2, 14.1, 12.6, 4.9
December 5, 2011 by Anonymous

Chemisrty
Determine which law is appropriate for solving the following problem. What volume will 1.56 liters of a gas at 27°C and 745 mmHg of pressure occupy at 100°C and 700 mmHg of pressure? Law used: Boyle's Law Charles' Law Combined Gas Law
October 19, 2011 by Angel

Microeconomics
Consider a competitive firm that produces tomatoes. The total fixed costs are $10 and TVC is related to output according to the followin scheduele Quantity TVC 0 0 1 45 2 85 3 120 4 150 5 170 1)Compute ATC and MC 2) What is quantity if P=40 3)what is quantity if P=30 4)What is...
December 11, 2007 by Mark

MATH PLEASE HELP!
According to Boyle's law, the pressure p of a compressed gas is inversely proportional to teh volume, v. If a pressure of 20 pounds per square inch exists when the volume of the gas is 500 cubic inches, what is the pressure when the gas is compressed to 400 cubic inches?
January 7, 2009 by Roger

Chemistry help!
A sample of gas at a temperature of 37.0°C has a pressure of 725 torr and occupies a volume of 3.44 L. a. Use Boyle’s law to calculate the new pressure if the temperature is held constant and the volume is increased to 6.54 L. torr b. Use Gay-Lussac’s law to calculate the new ...
February 26, 2014 by Chelsey

physical science
Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why?
March 3, 2013 by alex

physical science
Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why?
March 4, 2013 by alex

science
1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
February 28, 2013 by ricardo

science
1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
March 1, 2013 by alex

physical science
1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
March 3, 2013 by alex

texas southern university
A quantity of gas in a piston cylinder has a volume of 0.544 m3 and a pressure of 200 Pa. The piston compresses the gas to 0.126 m3 in an isothermal (constant-temperature) process. What is the final pressure of the gas? ??__Pa
October 24, 2012 by angela

physics
an isolated quantity of an ideal gas at 297.2 K has a volume of 14.96 L at a pressure of 1.63 atm. What is the volume of this gas sample when the absolute temperature is reduced to one third and the pressure is divided by five?
April 9, 2012 by katie

Math
I'm having trouble with a math problem, it says: A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees kelvin. When the temperature of the gas is raised to 533 degress kelvin, what is the new volume of the gas? Thank You. Assuming ...
July 5, 2005 by Mirayah Robinson

chemistry
According to Boyle, pressure and volume of a confined gas are ____ proportional, and according to Charles, the volume of a gas at a constant pressure is____ proportional to its Kelvin temperature. A. directly; inversely B. directly; not C. inversely; directly D. not; inversely
September 14, 2014 by Emiko

physical science
If a quantity of gas in a piston cylinder has a volume of 0.9 m3 and is initially at room temperature (30°C) and is heated in an isobaric (constant-pressure) process, what will be the temperature of the gas in degrees Celsius when it has expanded to a volume of 1.2 m3?
May 2, 2011 by Eric

Chem
(a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.79 atm while the temperature is held constant. 3.17 L (b) Use Charles's law to calculate the volume the gas will occupy if the temperature is increased to 175°C while the ...
May 8, 2014 by Sarah Pick

Gas Law Chemistry
I need help on these two questions: If a certain gas occupies a volume of 16L when the applied pressure is 8.0atm , find the pressure when the gas occupies a volume of 4.0L . A certain gas is present in a 12.0L cylinder at 4.0atm pressure. If the pressure is increased to 8....
October 25, 2012 by Amy

Chemistry - Urgent Please help!!
The problems: 0.0513 grams of Al (Wt. 27.0) was reacted with excess HCI to produce H2 according to the following balanced equation: 2 Al + 6 HCI ---> 2 AlCl3 + 3 H2 a) Determine the number of moles of H2 evolved from that quantity of Al when collected over water? 0.0513g Al...
April 23, 2013 by Kishwa

college/microeconomics
Just needing to know if I have done the work correctly with this problem: For the total revenue and marginal revenue the answers are: Price $20 Quantity 0 TR 0 MR 0 Price $18 Quantity 1 TR 18 MR 18 Price $16 Quantity 2 TR 32 MR 14 Price $14 Quantity 3 TR 42 MR 10 Price $12 ...
December 6, 2009 by Lorie

Microeconomics:
Just needing to know if I have done the work correctly with this problem: For the total revenue and marginal revenue the answers are: Price $20 Quantity 0 TR 0 MR 0 Price $18 Quantity 1 TR 18 MR 18 Price $16 Quantity 2 TR 32 MR 14 Price $14 Quantity 3 TR 42 MR 10 Price $12 ...
December 6, 2009 by Lorie

Chemistry
Would you expect the pressure of a 12.5 mL syringe of natural gas to be the same as the pressure of 12.5 mL of air? In other words, is Boyle's Law dependent on the type of gas that is being measured?
February 26, 2013 by Margaret

science
As the pressure of a fixed mass of a gas is increased at constant temperature, the density of the gas increases? As the absolute temperature of a fixed mass of an ideal gas is increased at constant pressure, the volume occupied by the gas increases? The absolute temperature of...
November 24, 2007 by Anonymous

chemistry
An unknown quantity of gas at a pressure of 121.59 kPa, a volume of 31 L, and a temperature of 360 K contains how many moles of gas? Round to the nearest hundredth. Don't forget the units.
September 6, 2010 by janay

chemistry
A sample of an ideal gas at 15.0 atm and 10.0 L is allowed to expand against a constant externam pressure of 2.00 atm at a constant temperature. Calculate the work in KJ for the gas expansion (Boyle's law applies)
October 9, 2010 by alexie

practical math
A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees kelvin. When the temperature of the gas is raised to 533 degrees kelvin, what is the new volume of the gas? (Assume that there's no change in pressure.)
July 17, 2012 by Anonymous

Physics
Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L , the pressure is 165kPa (kilopascals). What is the volume when the pressure is 60kPa?
May 23, 2011 by Rachal

chemistry
A quantity of gas has a volume of 121 L when confined under a pressure of 2.50 atm at a temperature of 20.0 C. At what pressure will its volume be 30.0 L at 25.0 C?
February 24, 2012 by garrett

Chemistry
A sample of an ideal gas at 15.0 atm and 10.0 L is allowed to expand against a constant external pressure of 2.00 atm at a constant temperature. Calculate the work in units of kJ for the gas expansion. (Hint: Boyle's law applies) Please explain thoroughly! thank you!
October 3, 2010 by Jack

chemistry
A sample of an ideal gas at 15.0 atm and 10.0 L is allowed to expand against a constant external pressure of 2.00 atm at a constant temperature. Calculate the work in units of kJ for the gas expansion. (Hint: Boyle's law applies) Please explain thoroughly! thank you!
October 4, 2010 by Jack

Economis
I have got an economics questions, and i did my personal revision by tying to work the question. here is the question: using demand and supply analysis, explain the influence of the imposition of a maximum price and a minimum price on a product on price and quantity (10 marks...
November 19, 2011 by Pallavi

chemistry
Assuming that the temperature and quantity of a gas sample remain constant, what will be the final pressure of 1.6 L sample of gas originally at 330K and 4.84 atm, when the volume is reduced to 840 mL?
April 19, 2012 by sam

Physics
A piston contains 1m^3 of helium at a temperature of 250 K and an absolute pressure of 1.0kPa. The following changes are made in sequence: (a) First the volume of the piston is decreased to 0.2 m^3 while the temperature is kept constant, what is the pressure of the gas? (b) ...
February 17, 2011 by Pressure of gas

Chemistry
A quantity N2 of occupies a volume of 1.4L at 290K and 1.5atm . The gas expands to a volume of 3.1 L as the result of a change in both temperature and pressure. I have the find the density of the gas at these new conditions?
November 20, 2010 by Kate

Chemistry
A quantity of N2 occupies a volume of 1 L at 290 K and 1.5 atm. The gas expands to a volume of 2.7 L as the result of a change in both temperature and pressure. Find the density of the gas at these new conditions (in grams per liter).
October 24, 2009 by .

chemistry
a quantity of gas is collected over water at 15C. The manometer indicated a pressure of 24.0kPa. what would be the pressure of the dry gas?
February 24, 2012 by garrett

Algebra
Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L, the pressure is 165 kPa(kilopascals). What is the volume when the pressure is 60 kPa?
June 7, 2011 by Rachal

Math
Charles's Law states that at constant pressure, the volume of a fixed amount of gas varies directly with its temperature measured in degrees Kelvin. A gas has a volume of 250 mL at 300 K. what is an equation for the relationship between volume and temperature?
January 24, 2009 by Angie

chemistry
A quantity of 0.020 mole of a gas initially at 0.050 L and 20 degrees Celsius undergoes a constant-temperature expansion until its volume is 0.59 L. Calculate the work done (in joules) by the the gas if it expands (b) pressure of 0.20 atm. (C) If gas in (b) is allowed to ...
December 28, 2010 by Anna

Chemistry
A quantity of 0.020 mole of a gas initially at 0.050 L and 20 degrees Celsius undergoes a constant-temperature expansion until its volume is 0.59 L. Calculate the work done (in joules) by the the gas if it expands (b) pressure of 0.20 atm. (C) If gas in (b) is allowed to ...
December 28, 2010 by Cynthia

Chemistry
A quantity of gas under a pressure of 302 kPa has a volume of 600. cm3. The pressure is increased to 545 kPa, while the temperature is kept constant. What is the new volume?
March 31, 2011 by Aubrey

Chemistry
A quantity of gas under a pressure of 302 kPa has a volume of 600. cm3. The pressure is increased to 545 kPa, while the temperature is kept constant. What is the new volume?
March 31, 2011 by Aubrey

math
1. Suppose you are the owner of a tile company who purchases tiles from a supplier at a rate of $5 each. a. The variable cost is the cost that depends on the quantity, such as how many tiles are purchased. If you buy 100 tiles at $5 each, how much have you spent on tile? What ...
March 5, 2012 by Fred

Chem
A bicycle tire is filled with air to a pressure of 100 psi at a temperature of 19C. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58C. The volume increases by 4%. What is the new pressure of the tire? Convert the temps to Kelvins, then use ...
September 30, 2006 by Mew

Math
What is quantity and how do you use it. A quantity is how much you have of a particular quality or substance. You can use it to compare to other quantities to see if they are more or less. Depending on what you desire — more or less — you might adjust the situation...
August 28, 2006 by Cait

physics
The description for a certain brand of house paint claims a coverage of 460ft^2/gal. A) Express this quantity in square meters per liter. B)Express this quantity in quantity in a SI unit (i.e, meters to the power-1, looks like m-1) C)What is the inverse of the original quantity?
August 22, 2010 by Brent

Physical Science
Hello, I wanted to know in this problem if I came to the correct answer... Thank You I used: Vo/To = Vf/Tf A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees Kelvin. When the temperature of the gas is raised to 533 degrees Kelvin, ...
February 7, 2008 by Mandi

Physics help please!
The pressure of a fixed quantity of an ideal gas was held constant. The initial volume was 8.00 cubic meters and the final volume was 2.50 cubic meters. What was the final temperature in kelvins if the initial temerature was 188 degrees fahrenheit... Please walk me through ...
June 11, 2012 by Genny

economics
Find the CPI for each year(2005 is he base year;and take 2005 as the fixed basket of goods for each year): 2005 price of apple is $1 for 100 quantity produced. Banana $2 for 50 quantity produced. 2006 price of apple is $2 for 150 quantity produced. Banana $3 for quantity of 100.
February 3, 2008 by Carla

Chemistry Combined Gas Law
Hi so im reviewing or our long test tomorrow on combined gas law and gay lussac's well here, combined gas law i find it (maybe ) confusing to do this one, because theres no right answers because it is a practice exercise.. what i know on combined gas law is that pressure is ...
January 28, 2014 by Joy

More Economics
I have an lazy instructor using test bank questions unrelated to my text and need some help. The second question is "anything that makes the efficiency wage rise relative to the market-clearing wage will...A) increase both the quantity demanded and the quantity supplied of ...
June 16, 2007 by Bryan

chemistry
A fixed amount of gas initially at 100 K and pressure P1 is expanded from 1 L to 100 L in a piston. The temperature, T2, of the gas at this point is 50 K. The piston is then locked at constant volume V2=100 L and half the gas is pumped out at a constant temperature of T2 . The...
December 5, 2011 by laura

Science help please!
1. The relationship between temperature and volume is known as what law? 2. What is the relationship between temperature and pressure? (directly proportional or inversely proportional) 3. The relationship between volume and pressure is known as what law? My answers: 1. Charles...
December 2, 2013 by Charlotte

physics
A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are given m, the mass. What ...
December 5, 2010 by sarah

economics please ?
When quantity supplied equals quantity demanded: A. there is disequilibrium B. the marked is cleared C. there is excess quantity demanded. D. there is excess quantity supplied I'm stuck between C and D but I think it's D?
December 20, 2010 by tony

Physics
A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .016 NO HELP: You are given m, the mass. What ...
December 5, 2010 by sarah

physics
A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are given m, the mass. What ...
December 5, 2010 by sarah

economics
When quantity supplied equals quantity demanded: A. there is disequilibrium B. the marked is cleared C. there is excess quantity demanded. D. there is excess quantity supplied I'm stuck between C and D but I think it's D?
December 20, 2010 by tony

chemistry
Hi, I really need help with my lab report because Im completely stuck. Its about the Ideal Gas behaviour. I am given the mass of Nano2 (0.5044g) the temperature of n2 gas (21.2 C) the temperature of water (21.9 C) the volume of n2 (186.1 ml) and the barometric pressure (753.06...
October 18, 2011 by Tamara

Science, Chemistry
A cylinder containing 11.0L of helium gas at a pressure of 165atm is to be used to fill birthday balloons to a volume of 2.50L per balloon and at a pressure of 1.10atm. What is the maximum number of balloons that can be inflated at a constant temperature? (remember that 11.0L ...
October 21, 2013 by Theresa

Chem
the quantity of gas, in moles, if 66.9 L at 56°C has a pressure of 11.21 kPa
May 8, 2014 by Sarah Pick

physical science
Helium has the lowest boiling point of the elements. The slightest change in temp can cause it to vaporize and expand. To prevent pressure explosions, a line from the tank has a "burst disk" in case a of sudden pressure increse. then the diaphragm would rupture and release the...
January 1, 2011 by anonymous

science
Helium has the lowest boiling point of the elements. The slightest change in temp can cause it to vaporize and expand. To prevent pressure explosions, a line from the tank has a "burst disk" in case a of sudden pressure increse. then the diaphragm would rupture and release the...
January 1, 2011 by anonymous

physics
A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are given m, the mass. What ...
December 5, 2010 by sarah

chem. Combined Gas laws
A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299K. If I raise the temperature to 350K and lower the pressure to 1.5 atm, what is the new volume of the gas? Use the combined gas law here. I will be happy to critique your work.
April 16, 2007 by sam

programming
Create three (3) one-dimensional arrays: Item Number, Quantity-on-hand and Unit Cost for 15 items. Input data into all the arrays. After the data is entered, read an arbitrary number of records containing an item number and quantity-ordered. If the quantity ordered for the ...
February 21, 2014 by lidia

Chem
To what temperature in K must a variable volume container of helium gas be cooled to obtain a final volume of 0.182 L? The initial volume and temperature are 2.34 L and 314 K, respectively. The pressure and number of moles are fixed. You're supposed to us V1/T1=V2/T2, and I ...
October 7, 2012 by Anonymous

Chemistry
To what temperature in K must a variable volume container of helium gas be cooled to obtain a final volume of 0.182 L? The initial volume and temperature are 2.34 L and 314 K, respectively. The pressure and number of moles are fixed. You're supposed to us V1/T1=V2/T2, and I ...
October 7, 2012 by Anonymous

Gas Law problems ( Chemistry)
the initial temperature of a 1l sample of gas is 20c. The pressure is decreased from 720mmhg to 36mmhg and the volume increases to 2.14l. What was the final temperature of the gas?
March 17, 2013 by Allyson

finance
Consider a 2 yr project with initial fixed asset investment=$495,000, straight line depreciation to zero over the 2 yr life, zero salvage value, selling price =$39, variable costs=$20. fixed costs=$210,000, quantity sold=150,000 units, tax rate=31%. How sensitive is (OCF) to ...
August 17, 2008 by Tuty

Calculus 2
The pressure P of a gas is related to its volume V by the formula P=k/V where k is a constant. A quantity of gas with an initial volume of 1 cubic meter and a pressure of 2.5 newtons per square meter expands to a volume of 16 cubic meters. Find the work done by the gas.
November 7, 2012 by Heather

physics
A 22.0-L tank of carbon dioxide gas (CO2) is at a pressure of 9.40 105 Pa and temperature of 22.0°C. (a) Calculate the temperature of the gas in Kelvin. K (b) Use the ideal gas law to calculate the number of moles of gas in the tank. mol (c) Use the periodic table to compute ...
April 29, 2013 by Annette

chemistry
A 24L sample of a gas at fixed mass and constant temperature exerts a pressure of 3.0 atm. What pressure will the gas exert if the volume is changed to 16L?
March 16, 2010 by catherine

chemistry
Hydrogen gas produced by this reaction is typically collected via water displacement, during which time the hydrogen gas becomes saturated with water vapor. If 238.4 mL of gas with a total pressure 1.27 atm was collected via water displacement at 29.4 °C, what is the partial ...
September 27, 2014 by A

Chemistry
Need help with #2 & # 3 1. Record the pairs of data for pressure (atm) and volume (mL). Pressure(atm) Volume(mL) 1.000 150 mL 1.154 130 mL 1.364 110 mL 1.667 90 mL 2. Does your experimental data verify Boyle's Law? Explain. 3. What pressure would the gas sample have at a ...
May 14, 2010 by Ashley

chemistry
a sample containing 1.50 mol neon gas has a volume of 8.00L.what is the new volume of the gas in liters when the following changes occur in the quantity of the gas at constant pressure and temperature? a.a leak allows on-half of the neon atoms to escape. b. a sample of 25.0g ...
June 27, 2010 by Jetta

math
1.As the 1st quantity increases, the 2nd quantity also increases. 2.As the 1st quantity increases, the second quantity decreases.
February 6, 2013 by charles

Physics
A quantity of monatomic ideal gas expands adiabatically from a volume of 2.0 liters to 6.0 liters. If the initial pressure is P0, what is the final pressure?
February 12, 2013 by Alex

More Economics
I have an lazy instructor using test bank questions unrelated to my text and need some help. The second question is "anything that makes the efficiency wage rise relative to the market-clearing wage will...A) increase both the quantity demanded and the quantity supplied of ...
June 16, 2007 by Bryan

AP Chemistry
Small quantities of hydrogen gas can be prepared in the laboratory by the addition of aqueous hydrochloric acid to metallic zinc. Zn(s)+2HCl(aq) -> ZnCl2(aq)+ H2(g) Typically, the hydrogen gas is bubbled through water for collection and becomes saturated with water vapor. ...
November 3, 2010 by Anonymous

CHEMISTRY
Show how Boyle's law can be derived from the ideal gas law.
May 7, 2010 by ~anonymous

science
Helium has the lowest boiling point of the elements. The slightest change in temp can cause it to vaporize and expand. To prevent pressure explosions, a line from the tank has a "burst disk" in case a of sudden pressure increse. then the diaphragm would rupture and release the...
January 2, 2011 by anonymous

Physics
Which of the following desceriptions about ideal gas is/are correct? 1)An ideal gas obeys Boyle's law only under high temp and low pressure 2)the molecules of an ideal gas have no size 3)the internal energy of an ideal gas consists of kinetic energy only A.1)only B.3)only C.1...
January 26, 2012 by Kong

Algebra 2
I need to know if I did this problem correctly: 5. Solve for x in |x - 3| >8 Work: |x - 3| >8 |x| > 8 +3 Anwer= x > 11 I also need help with these 2: 15. Comepare the quantity in Column A with the quantity in Column B. Column A- slope of y = 2x +2 Column B- slope ...
April 19, 2011 by mysterychicken

chemistry
Nitrous oxide (N2O) is used as an anesthetic. The pressure on 2.50 L of N2O changes from 105kPa to 40.5 kPa. If the temperature does not change, what will the new volume be? I know the Boyle's law is P1 x V1 = P2 x V2
March 4, 2008 by meg

Physics
I have two questions? 1-What do we call the quantity force x distance, and what quantity does it change? **The quantity is called work and it changes energy** 2-In what unit is energy measured? **joule?? isn't it the same as work?**
December 9, 2009 by Sarah

science
Helium has the lowest boiling point of the elements. The slightest change in temp can cause it to vaporize and expand. To prevent pressure explosions, a line from the tank has a "burst disk" in case a of sudden pressure increse. then the diaphragm would rupture and release the...
January 2, 2011 by anonymous

Economic
1.According to the law of demand, when the price of an item goes up, the quantity demanded a. stays at the same level. c. falls. b. rises. d. adjusts 2. According to the law of supply, higher prices prompt producers to a. increase demand. c. produce less. b. maintain current ...
March 31, 2010 by Candace

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