試題詳解

5. Which of the following processes result(s) in an increase in entropy? (AB) Expanding I mol of oxygen gas isothermally to twice its original volume. (AC) Doubling the pressure of I mol of nitrogen gas isothermally. (AD) Compressing I mol of nitrogen gas isothermally to half of its original volume. (AE) Increasing the temperature of I mol of argon gas at constant pressure. (BC) Freezing the crystal of 1 g of Nacl. (BD) Water of 1 mL. losing cnergy reversibly at 25℃.