### Class XI

In which type of process is the volume constant
1. Isobaric process
2. Isochoric process
3. Adiabatic process
4. Isothermal process
Suppose that 1.00 kJ of heat is transferred to 2.00 mol argon (at 298 K, 1 atm). What will the final temperature Tf be if the heat is transferred at constant volume?
1. 347 K
2. 338 K
3. 313 K
4. 308 K
A 1.0-mol sample of an ideal gas is kept at 0.0∘∘C during an expansion from 3.0 L to 10.0 L. How much energy transfer by heat occurs with the surroundings in this process?
1. 3.0 ×× 103103 J
2. 2.7 ×× 103103 J
3. 2.4 ×× 103103 J
4. 2.6 ×× 103103 J
in a closed system,
1. the boundaries permit the flow of matter into it
2. the boundaries permit the flow of matter into or out of it
3. the boundaries prevent the flow of matter into or out of it
4. the boundaries prevent the flow of matter out of it
In changing the state of a gas adiabatically from an equilibrium state A to another equilibrium state B, an amount of work equal to 22.3 J is done on the system. If the gas is taken from state A to B via a process in which the net heat absorbed by the system is 9.35 cal, how much is the net work done by the system in the latter case?
1. 17.6 J
2. 16.8 J
3. 17.9 J
4. 17.2 J
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