Question: 19. Consider a container with a piston containing 2.0 moles of a monatomic ideal gas with initial conditions of V=6.0 Land P=2.0atm at 300K. If

19. Consider a container with a piston containing 2.0 moles of

19. Consider a container with a piston containing 2.0 moles of a monatomic ideal gas with initial conditions of V=6.0 Land P=2.0atm at 300K. If the external pressure suddenly increases to 4.0atm and the gas is compressed isothermally, which of the following statements about this process is true? (gas constant R=8.314JK1mol1;ln2=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 11.5J/K. (E) The entropy change of the surrounding ( S surr) is 4.1J/K

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