Chemistry

Chemistry

Problem

A sealed, rigid container of ideal gas is allowed to cool from 400 K400\,\text{K} to 300 K300\,\text{K} by transferring thermal energy to an external water bath. Which of the following correctly describes the signs of the entropy changes of the gas (ΔSgas\Delta S_{\text{gas}}) and of the water bath (ΔSbath\Delta S_{\text{bath}})? a) ΔSgas>0  ;  ΔSbath<0\Delta S_{\text{gas}} > 0\; ; \; \Delta S_{\text{bath}} < 0 b) ΔSgas>0  ;  ΔSbath>0\Delta S_{\text{gas}} > 0\; ; \; \Delta S_{\text{bath}} > 0 c) ΔSgas<0  ;  ΔSbath>0\Delta S_{\text{gas}} < 0\; ; \; \Delta S_{\text{bath}} > 0 d) ΔSgas<0  ;  ΔSbath=0\Delta S_{\text{gas}} < 0\; ; \; \Delta S_{\text{bath}} = 0

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