Homework Answers
Slow process means reversible process.
Quasi static process- A process slow enough for the system to remain in internal equilibrium and if volume change is quasi statically happen means very slow that every intermediate volume will be in equilibrium or approximately volume change is zero.
If volume is quasi statically changing then pressure will also quasi statically change.
As dp =0 means pressure is also changing quasi statically here.
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14.A gas is placed in a container. It is reported that the equation of state for...
a) Given that for an adiabatic process occurring in an ideal gas, PV' = constant, show...
a) Given that for an adiabatic process occurring in an ideal gas, PV' = constant, show that pl-y T is also a constant. b) Find an expression for the final temperature Tf after an ideal gas is compressed adiabatically and quasi-statically from an initial pressure P; and temperature Ti to a final pressure Pf. c) An ideal gas in a cylinder with a piston is allowed to expand isothermally very slowly. Determine the signs of AQ and AW and determine...
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Gas Behavior and Intermolecular Forces 1. The pressure exerted by a gas in a container is...
Gas Behavior and Intermolecular Forces 1. The pressure exerted by a gas in a container is due to the collisions of the gas particles with the walls of a container. The illustration depicts a gas in a container with a movable piston. Consider each of the following changes and determine how the gas pressure will be affected. Your answer should indicate whether the pressure is increased, decreased or not changed. You should also provide an explanation. A The piston is...
1. you are given a .5 m^3 container containing 9 moles of an ideal diatomic gas...
1. you are given a .5 m^3 container containing 9 moles of an ideal diatomic gas at 0° C, and you want to allow it to reach room temperature (20° C) while staying at the same pressure. You have a choice of holding the volume constant while heating it (process A) and then slowly decompressing the gas isothermally (process B) or simply heating it while maintaining pressure (process C). a) what is the change in entropy of the gas in...
9. A container of ideal gas has a movable frictionless piston. This container is placed in...
9. A container of ideal gas has a movable frictionless piston. This container is placed in a very large water bath and slowly compressed so that the temperature of the gas remains constant and equal to the temperature of the water. Which of the following statements about this gas are true for this process? The internal energy of the gas increases during the compression because work is done on the gas. Since the temperature of the gas remains constant, the...
1.00-mol sample of N2 gas at 20.09C and 5.00 atm is allowed to expand adiabatically and...
1.00-mol sample of N2 gas at 20.09C and 5.00 atm is allowed to expand adiabatically and quasi- C. After it reaches a temperature of 20.09C, it is heated at constant volume until its pressure 72..A stati cally until its pressure equals 1.00 atm. It is then heated at constant pressure until its temperature is is again 5.00 (a) Construct a PV diagram showing each process in the cycle. (b) From your graph, determine the work done by the gas during...
Two moles of an ideal gas are placed in a container whose volume is 8.1 x...
Two moles of an ideal gas are placed in a container whose volume is 8.1 x 10-3 m3. The absolute pressure of the gas is 5.2 x 105 Pa. What is the average translational kinetic energy of a molecule of the gas?
Atomic gas which obeys Van der Waals equation of state RT= (P+ a/ V2) (V-b) has...
Atomic gas which obeys Van der Waals equation of state RT= (P+ a/ V2) (V-b) has internal energy (per mole) of u = 3/2 RT - a/V where 'V' is volume of mole in temperature T. In the beginning, the gas temperature is T1 and volume V1. The gas is let to expand adiabatically so that its final volume is V2. What is the final temperature of the gas?
2. A container of ideal gas has a movable frictionless piston. This container is placed in a very large water bath and slowly compressed so that the temperature of the gas remains constant and equal to the temperature of the water. Which of the following
2. A container of ideal gas has a movable frictionless piston. This container is placed in a very large water bath and slowly compressed so that the temperature of the gas remains constant and equal to the temperature of the water. Which of the following statements about this gas are true for this process? (There may be more than one correct choice.) A) Heat leaves the gas during the compression. B) Since the gas and water are at the same...
Two moles of an ideal gas are placed in a container whose volume is 9 10-3...
Two moles of an ideal gas are placed in a container whose volume is 9 10-3 m². The absolute pressure of the gas is 4.4 x 105 Pa. What is the total translational kinetic energy of the gas? (Avogadro's Number 6.022x1023mol-1)
a) Given that for an adiabatic process occurring in an ideal gas, PV' = constant, show that pl-y T is also a constant. b) Find an expression for the final temperature Tf after an ideal gas is compressed adiabatically and quasi-statically from an initial pressure P; and temperature Ti to a final pressure Pf. c) An ideal gas in a cylinder with a piston is allowed to expand isothermally very slowly. Determine the signs of AQ and AW and determine...
1. A 0.03 kg of copper at 300°C is placed into a container of 0.1 L of 20°C water. This system is isolated from the rest of the environment. Determine the final temperature of the water. 2. 0.10 mole of argon gas is allowed to enter an empty 50-cm container at 20° C. The gas is then heated in this sealed container to a temperature of 300° C. a. Draw this process on a PV diagram, with proper scales on...
Gas Behavior and Intermolecular Forces 1. The pressure exerted by a gas in a container is due to the collisions of the gas particles with the walls of a container. The illustration depicts a gas in a container with a movable piston. Consider each of the following changes and determine how the gas pressure will be affected. Your answer should indicate whether the pressure is increased, decreased or not changed. You should also provide an explanation. A The piston is...
1.00-mol sample of N2 gas at 20.09C and 5.00 atm is allowed to expand adiabatically and quasi- C. After it reaches a temperature of 20.09C, it is heated at constant volume until its pressure 72..A stati cally until its pressure equals 1.00 atm. It is then heated at constant pressure until its temperature is is again 5.00 (a) Construct a PV diagram showing each process in the cycle. (b) From your graph, determine the work done by the gas during...
Two moles of an ideal gas are placed in a container whose volume is 9 10-3 m². The absolute pressure of the gas is 4.4 x 105 Pa. What is the total translational kinetic energy of the gas? (Avogadro's Number 6.022x1023mol-1)
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