A container with rigid walls is filled with 4 mol of air with CV = 2.5R. How much does the internal (thermal) energy change if the temperature of the air rises from 16°C to 437°C? The ideal gas constant is R = 8.314 J/mol ? K
A) 35 kJ
B) 421 J
C) 3.5 kJ
D) 8.75 kJ
A
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A. 71 B. 36 C. 40 D. 46 E. 65
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