Consider two insulated chambers (A, B) of samevolume connected by a closed knob, S. 1 mole ofperfect gas is confined in chamber A. What is thechange in entropy of gas when knob S is opened?R 8.31 J mol-1K-1146 JK3 5.46 JIK(2) 3.46 J/K(4) 7.46 JK AS

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