F02_E4A - Chemistry 111 Page 1 out of 8 Exam IV/Fall 2002...

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Chemistry 111 Page 1 out of 8 Exam IV /Fall 2002 Answer Key Bonus (1 point): What holiday do we celebrate at the end of this month? Hint… Doc likes sandwiches made with leftover turkey made the following way… Bread, turkey, turkey, bread, turkey, turkey, bread… Thanksgiving! 1. In the derivation of W = - n R T ln (V 2 /V 1 ), we went in one particular step from… W = P ext dV to… W = P gas dV In order to do this, we assumed that… the process is reversible . (02 pts) 2. In that same derivation, we went in another step from… W = P gas dV to… W = n R T V dV In order to do this, we assumed that… the gas is ideal . (02 pts) 3. Finally, in that same derivation, we went from… W = n R T V dV to… W = n R T dV V In order to do this, we assumed that… the process is isothermal . (02 pts)
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