Question 4

A sample of gas is held in a fixed container of two liters. When 60 J of heat is added to the gas, the temperature increases by 12 ^oC.

If for the same sample of gas, the pressure had been fixed and the volume allowed to change (same initial P and V ), the amount of heat needed to raise the temperature by 12 ^oC would be:

• (a)  60 J
• (b)  more than 60 J
• (c)  less than 60 J
• (d)  more or less than 60 J depending on the internal energy of the gas

Answer

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