Molar Specific Heats: The temperature of an ideal gas in a sealed rigid 0.60-m3 container is reduced from 460 K to 270 K. The final pressure of the gas is 90 kPA. The molar heat capacity at constant volume of the gas is 28.0 J/mol ? K. How much heat is absorbed by the gas during this process? (R = 8.31 J/mol ? K)
A. -130 kJ
B. -170 kJ
C. 130 kJ
D. 170 kJ
E. 0 kJ
Answer: A
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