College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

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One mole of an ideal gas undergoes an isothermal compression at 0 °C, and 7.5 × 10 3 J of work is done in compressing the gas. (a) Will the entropy of the gas (1) increase, (2) remain the same, or (3) decrease Why (b) What is the change in entropy of the gas