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An ideal gas undergoes a cyclic process in which total (positive) work W is done by the gas. What total change in internal energy of the gas in one cycle? W -W zero 2W W/2 O

The figure shows the distribution of the molecular speeds of a gas for two different temperatures. f(v) -T₁ A 1 23 V O The curve labeled T1 represents the distribution for higher temperature molecules than T2. O The curve labeled T1 represents the distribution for lower temperature molecules than T2. O The curves labeled T1 and T2 represents distributions for equal temperatures. O Not enough information to conclude which curve is at a higher temperature