Specific Heat and Molar Heat Capacities
PHXI12:THERMODYNAMICS

371419 0.08kg air is heated at constant volume through 5C. The specific heat of air at constant volume is 0.17kcal/kgC and J=4.18joule/cal. The change is its internal energy is approximately.

1 298J
2 284J
3 284J
4 142J
PHXI12:THERMODYNAMICS

371420 The molar specific heat of oxygen at constant pressure CP=7.03cal/molC and R=8.31J/molC. The amount of heat taken by 5mol of oxygen when heated at constant volume from 10C to 20C will be approximately.

1 25cal
2 50cal
3 250cal
4 500cal
PHXI12:THERMODYNAMICS

371421 310J of heat is required to raise the temperature of 2mol of an ideal gas at constant pressure from 25C to 35C. The amount of heat required to raise the temperature of the gas through the same range at constant volume is

1 384J
2 144J
3 276J
4 452J
PHXI12:THERMODYNAMICS

371422 Assertion :
A gas does not have a unique value of specific heat.
Reason :
Specific heat is defined as the amount of heat required to raise the temperature of unit mass of the substance through unit degree.

1 Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI12:THERMODYNAMICS

371423 An amount Q of heat is added to a mono-atomic ideal gas in a process in which the gas performs a work Q2 on its surroundings. If the molar heat capacity for the process is ' x 'R. Find the value of ' x '.

1 1R
2 2R
3 5R
4 3R
PHXI12:THERMODYNAMICS

371419 0.08kg air is heated at constant volume through 5C. The specific heat of air at constant volume is 0.17kcal/kgC and J=4.18joule/cal. The change is its internal energy is approximately.

1 298J
2 284J
3 284J
4 142J
PHXI12:THERMODYNAMICS

371420 The molar specific heat of oxygen at constant pressure CP=7.03cal/molC and R=8.31J/molC. The amount of heat taken by 5mol of oxygen when heated at constant volume from 10C to 20C will be approximately.

1 25cal
2 50cal
3 250cal
4 500cal
PHXI12:THERMODYNAMICS

371421 310J of heat is required to raise the temperature of 2mol of an ideal gas at constant pressure from 25C to 35C. The amount of heat required to raise the temperature of the gas through the same range at constant volume is

1 384J
2 144J
3 276J
4 452J
PHXI12:THERMODYNAMICS

371422 Assertion :
A gas does not have a unique value of specific heat.
Reason :
Specific heat is defined as the amount of heat required to raise the temperature of unit mass of the substance through unit degree.

1 Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI12:THERMODYNAMICS

371423 An amount Q of heat is added to a mono-atomic ideal gas in a process in which the gas performs a work Q2 on its surroundings. If the molar heat capacity for the process is ' x 'R. Find the value of ' x '.

1 1R
2 2R
3 5R
4 3R
PHXI12:THERMODYNAMICS

371419 0.08kg air is heated at constant volume through 5C. The specific heat of air at constant volume is 0.17kcal/kgC and J=4.18joule/cal. The change is its internal energy is approximately.

1 298J
2 284J
3 284J
4 142J
PHXI12:THERMODYNAMICS

371420 The molar specific heat of oxygen at constant pressure CP=7.03cal/molC and R=8.31J/molC. The amount of heat taken by 5mol of oxygen when heated at constant volume from 10C to 20C will be approximately.

1 25cal
2 50cal
3 250cal
4 500cal
PHXI12:THERMODYNAMICS

371421 310J of heat is required to raise the temperature of 2mol of an ideal gas at constant pressure from 25C to 35C. The amount of heat required to raise the temperature of the gas through the same range at constant volume is

1 384J
2 144J
3 276J
4 452J
PHXI12:THERMODYNAMICS

371422 Assertion :
A gas does not have a unique value of specific heat.
Reason :
Specific heat is defined as the amount of heat required to raise the temperature of unit mass of the substance through unit degree.

1 Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI12:THERMODYNAMICS

371423 An amount Q of heat is added to a mono-atomic ideal gas in a process in which the gas performs a work Q2 on its surroundings. If the molar heat capacity for the process is ' x 'R. Find the value of ' x '.

1 1R
2 2R
3 5R
4 3R
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI12:THERMODYNAMICS

371419 0.08kg air is heated at constant volume through 5C. The specific heat of air at constant volume is 0.17kcal/kgC and J=4.18joule/cal. The change is its internal energy is approximately.

1 298J
2 284J
3 284J
4 142J
PHXI12:THERMODYNAMICS

371420 The molar specific heat of oxygen at constant pressure CP=7.03cal/molC and R=8.31J/molC. The amount of heat taken by 5mol of oxygen when heated at constant volume from 10C to 20C will be approximately.

1 25cal
2 50cal
3 250cal
4 500cal
PHXI12:THERMODYNAMICS

371421 310J of heat is required to raise the temperature of 2mol of an ideal gas at constant pressure from 25C to 35C. The amount of heat required to raise the temperature of the gas through the same range at constant volume is

1 384J
2 144J
3 276J
4 452J
PHXI12:THERMODYNAMICS

371422 Assertion :
A gas does not have a unique value of specific heat.
Reason :
Specific heat is defined as the amount of heat required to raise the temperature of unit mass of the substance through unit degree.

1 Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI12:THERMODYNAMICS

371423 An amount Q of heat is added to a mono-atomic ideal gas in a process in which the gas performs a work Q2 on its surroundings. If the molar heat capacity for the process is ' x 'R. Find the value of ' x '.

1 1R
2 2R
3 5R
4 3R
PHXI12:THERMODYNAMICS

371419 0.08kg air is heated at constant volume through 5C. The specific heat of air at constant volume is 0.17kcal/kgC and J=4.18joule/cal. The change is its internal energy is approximately.

1 298J
2 284J
3 284J
4 142J
PHXI12:THERMODYNAMICS

371420 The molar specific heat of oxygen at constant pressure CP=7.03cal/molC and R=8.31J/molC. The amount of heat taken by 5mol of oxygen when heated at constant volume from 10C to 20C will be approximately.

1 25cal
2 50cal
3 250cal
4 500cal
PHXI12:THERMODYNAMICS

371421 310J of heat is required to raise the temperature of 2mol of an ideal gas at constant pressure from 25C to 35C. The amount of heat required to raise the temperature of the gas through the same range at constant volume is

1 384J
2 144J
3 276J
4 452J
PHXI12:THERMODYNAMICS

371422 Assertion :
A gas does not have a unique value of specific heat.
Reason :
Specific heat is defined as the amount of heat required to raise the temperature of unit mass of the substance through unit degree.

1 Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI12:THERMODYNAMICS

371423 An amount Q of heat is added to a mono-atomic ideal gas in a process in which the gas performs a work Q2 on its surroundings. If the molar heat capacity for the process is ' x 'R. Find the value of ' x '.

1 1R
2 2R
3 5R
4 3R