A gas is allowed to expand from a volume of 4.5 L to a volume of...
A gas is allowed to expand from a volume of 4.5 L to a volume of 6.39 L against a constant external pressure of 1.00 atm. How much PV work (in joules) is performed on the surroundings? Express your answer to two decimal places. (1 L·atm = 101.3 J)
Homework Answers
A gas is allowed to expand at constant temperature from a volume of 2.00 L to...
A gas is allowed to expand at constant temperature from a volume of 2.00 L to 11.20 L against an external pressure of 0.750 atm. If the gas absorbs 128 J of heat from the surroundings, what are the values of q, w, and AU? Pay careful attention to units. 128 J, -4.14 J, 124) 128 J, -699 J, -571 J O-128 J, -419 J, -547 J 128 J, 419 J, 291 ) 128 J, 699 J, 547 )
A system expands from a volume of 1.00 L to 2.00 L against a constant external...
A system expands from a volume of 1.00 L to 2.00 L against a constant external pressure of 1.00 atm. What is the work (w) done by the system? (1 L·atm = 101.3 J) a) 1.00 J b) 2.00 J c) 1.01 × 102 J d) 1.01 × 105 J e) 3.00 J
Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0...
Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 24.0L W = -55931 Now calculate the work done if this process is carried out in two steps. 1. First, let the gas expand against a constant external pressure of 1.50 atm to a volume of 16.0L. 2. From the end point...
Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0...
Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 24.0L. Now calculate the work done if this process is carried out in two steps. 1. First, let the gas expand against a constant external pressure of 1.50 atm to a volume of 16.0L. 2. From the end point of step 1,...
2 more answer choices to question 9 6. One mole of an ideal gas is expanded...
2 more answer choices to
question 9
6. One mole of an ideal gas is expanded from a volume of 1.00 liter to a volume of 3.83 liters against a constant extemal pressure of 1.00 atm. How much work (in joules) is performed on the surroundings? Ignore significant figures for this problem. (T = 300 K; 1 L'atm = 101.3 J) a. 143j b. 287 C. 8.60 x 102 J d. 388 J e, none of these 7. Calculate the...
An ideal gas is allowed to expand isothermally until it reaches its final volume. It is...
An ideal gas is allowed to expand isothermally until it reaches its final volume. It is then heated at constant volume until it reaches its final pressure. The initial state of the gas is P1 = 2.93 atm, V1 = 1.00 L, and Eint 1 = 414 J, and its final state has volume V2 = 2.93 L and Eint 2 = 951 J. 1) Calculate the work done by the gas. Be careful with signs: if the work you...
7. A sample of gas occupies a volume of 6.63 L. when the gas is allowed...
7. A sample of gas occupies a volume of 6.63 L. when the gas is allowed to expand at constant temperature against a pressure of 1.51atm, 1001 J of work are done by the system. Calculate the final volume of gas.
An ideal gas is allowed to expand from 7.20 L to 10.8 L at constant temperature....
An ideal gas is allowed to expand from 7.20 L to 10.8 L at constant temperature. By what factor does the volume increase? factor: The pressure will decrease by that same factor. increase by that same factor. If the initial pressure was 113 atm, what is the final pressure? Pinal = The volume of a sample of hydrogen gas was decreased from 14.32 L to 7.61 L at constant temperature. If the final pressure exerted by the hydrogen gas sample...
A balloon filled with 35.6 moles of helium has a volume of 856 L at 0.0°C...
A balloon filled with 35.6 moles of helium has a volume of 856 L at 0.0°C and 1.00 atm pressure. The temperature of the balloon is increased to 43.0°C as it expands to a volume of 967 L, the pressure remaining constant. Calculate q, w, and ΔE for the helium in the balloon. (Given, the molar heat capacity for helium gas is 20.8 J/°C · mol, and 1 L·atm = 101.3 J) (Show your work)
A sample of an ideal gas in a cylinder of volume 4.14 L at 298 K...
A sample of an ideal gas in a cylinder of volume 4.14 L at 298 K and 2.24 atm expands to 7.48 L by two different pathways. Path A is an isothermal, reversible expansion. Path B has two steps. In the first step, the gas is cooled at constant volume to 1.38 atm . In the second step, the gas is heated and allowed to expand against a constant external pressure of 1.38 atm until the final volume is 7.48...
A gas is allowed to expand at constant temperature from a volume of 2.00 L to 11.20 L against an external pressure of 0.750 atm. If the gas absorbs 128 J of heat from the surroundings, what are the values of q, w, and AU? Pay careful attention to units. 128 J, -4.14 J, 124) 128 J, -699 J, -571 J O-128 J, -419 J, -547 J 128 J, 419 J, 291 ) 128 J, 699 J, 547 )
Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 24.0L W = -55931 Now calculate the work done if this process is carried out in two steps. 1. First, let the gas expand against a constant external pressure of 1.50 atm to a volume of 16.0L. 2. From the end point...
Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 24.0L. Now calculate the work done if this process is carried out in two steps. 1. First, let the gas expand against a constant external pressure of 1.50 atm to a volume of 16.0L. 2. From the end point of step 1,...
2 more answer choices to
question 9
6. One mole of an ideal gas is expanded from a volume of 1.00 liter to a volume of 3.83 liters against a constant extemal pressure of 1.00 atm. How much work (in joules) is performed on the surroundings? Ignore significant figures for this problem. (T = 300 K; 1 L'atm = 101.3 J) a. 143j b. 287 C. 8.60 x 102 J d. 388 J e, none of these 7. Calculate the...
An ideal gas is allowed to expand isothermally until it reaches its final volume. It is then heated at constant volume until it reaches its final pressure. The initial state of the gas is P1 = 2.93 atm, V1 = 1.00 L, and Eint 1 = 414 J, and its final state has volume V2 = 2.93 L and Eint 2 = 951 J. 1) Calculate the work done by the gas. Be careful with signs: if the work you...
7. A sample of gas occupies a volume of 6.63 L. when the gas is allowed to expand at constant temperature against a pressure of 1.51atm, 1001 J of work are done by the system. Calculate the final volume of gas.
An ideal gas is allowed to expand from 7.20 L to 10.8 L at constant temperature. By what factor does the volume increase? factor: The pressure will decrease by that same factor. increase by that same factor. If the initial pressure was 113 atm, what is the final pressure? Pinal = The volume of a sample of hydrogen gas was decreased from 14.32 L to 7.61 L at constant temperature. If the final pressure exerted by the hydrogen gas sample...
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