1.

A well insulated rigid container of volume 1 m3 contains 1.0 kg of an ideal gas [cp = 1000 J/(kgK) and cv = 800 J/(kgK)] at a pressure of 105 Pa. A stirrer is rotated at constant rpm in the container for 1000 rotations and the applied torque is 100 Nm. The final temperature of the gas (in K) is______.

A. 1195.4 K
B. 1295 K
C. 1295.4 K
D. 2295.4 K
Answer» D. 2295.4 K


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