4-148 A frictionless piston-cylinder device and a rigid tank contain 2 kmol of an ideal gas at the same temperature, pressure, and volume. Now heat is transferred, and the temperature of both systems is raised by 10°C. The amount of extra heat that must be supplied to the gas in the cylinder that is maintained at constant pressure is
a) 0 kJ
d) 102 kJ
b) 42 kJ
e) 166 kJ
c) 83 kJ
 
 
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