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試卷名稱：112年 - 112 國立清華大學_學士後醫學系單招試題_自然科學組：化學與物理#113793
年份：112年
科目：學士後西醫物理及化學
19. Consider a container with a piston containing 2.0 moles of a monatomic ideal gas with initial conditions of V = 6.0 L and P = 2.0 atm at 300 K. If the external pressure suddenly increases to 4.0 atm and the gas is compressed isothermally, which of the following statements about this process is true? (gas constant R = 8.314 J·K-1 mol -l；In2 =0.693)
(A)This is a reversible process.
(B)This process is spontaneous.
(C)The change of enthalpy (△H) is positive.
(D)The entropy change (△S) is -11.5 J/K.
(E)The entropy change of the surrounding (△Ssurr) is -4.1 J/K.
