Assumption of the classical model of an ideal gas

Reference no: EM13560622

Which of the following statements is NOT a correct assumptionof the classical model of an ideal gas?

(A) The molecules are in random motion.
(B) The volume of the molecules is negligible compared withthe volume occupied by the gas.
(C) The molecules obey Newton's laws of motion.
(D) The collisions between molecules are inelastic.
(E) The only appreciable forces on the molecules are thosethat occur during collisions.

In each cycle of a Carnot engine, 100 joules of heat is absorbed from the high temperature reservoir and 60 joules is exhausted to the low temperature reservoir. What is the efficiency of the engine?
(A) 40%
(B) 60%
(C) 67%
(D) 150%
(E) 167%

Reference no: EM13560622

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