103B PS 7 - problem set 1 Page 1 CHEMISTRY 103B Spring 2008...

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Page 1 problem set 1 4/10/2008 12:17:46 AM http://www.chem.arizona.edu/~kellerp/ps-answers/PS7an/PS7an.htm CHEMISTRY 103B, Spring 2008 Problem Set 7: 12 Points Answer Key Problem1. (sixpoints) (a) Whichof the followingis not possiblefora spontaneousprocess? deltaS syst <0 and deltaS surr >0 deltaS syst <0 and deltaS surr <0 deltaS syst >0 and deltaS surr >0 deltaS syst >0 and deltaS surr <0 (b) Whichof the followingcan be trueifa reactionhas K > 1? Heat absorbed, S > 0, temperatureis verylow H>0, S<0 , temperatureisvery low Reaction exothermic , S<0 , temperatureisvery high H<0, S<0 , temperatureisvery low (c) Whichone of the followingisuntrue? Theentropyof the Universeisconstant. Theentropyof the Universealwaysincreases. Theenergyof the Universeisconstant.
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This note was uploaded on 04/10/2008 for the course CHEM 103B taught by Professor Keller during the Spring '08 term at Arizona.

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103B PS 7 - problem set 1 Page 1 CHEMISTRY 103B Spring 2008...

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