Multiple Choice
A frictionless piston-cylinder device and a rigid tank contain 5 kg of helium gas at the same temperature, pressure and volume. Now heat is transferred, and the temperature of both systems is dropped by 12°C. The amount of extra heat that must be supplied to helium gas in the cylinder that is maintained at constant pressure is
A) 125 kJ
B) 0 kJ
C) 312 kJ
D) 187 kJ
E) 499 kJ "
Correct Answer:

Verified
Correct Answer:
Verified
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