Ch1 - Chem 365 Homework solutions Chapter 1 1-7. From Voet,...

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Unformatted text preview: Chem 365 Homework solutions Chapter 1 1-7. From Voet, Voet 8: Pratt (WP), Chapter 1: Problems 1, 5-10 (pages 20-21). 8. Change in enthalpy {AH} is best defined as a. the sum of heat absomed and work b. the measure of discrder in a system . the pressure change at constant temperature the heat transferred at oonstant pressme and voiume 9. Which of the following chemical reactions would exhibit the greatest increase in entropy (AS)? a. Freezing water Sublimation of dry ice c. Shattering of glass d. Boiling of gasoline 10. The reaction A + B <=> C + D proceeds with an equilibrium constant Kg,q = 0.065. The standard state free energy for this reaction is 0d: zscc, A Q r. A qo + 12.th LOT/b? CAUCVS QqubkfiU/m AQ: O WCL Chem 365 Homework solutions 11. For the chemical reaction A c: B, the equilibrium constant K9o = 0.02 at 25°C. For the chemical reaction B ¢=> C. the equiiibrium constant at 25°C is Kt,q = 1000. Determine the tree energy changes {AG°‘} for both these reactions. (Note that the temperature is 25°C, which is 298.15 K} Determine the equilibrium mnstant Km and standard state free energy change (A6“) for the chemical reaction A c: C. wig?) : _(QTJQM\<) ;. - (agiuax298xfiuom) : — <_ qéqg) : qu/mohz AQ%-9¢ 5 “' (2120/04): déygzqwaczé? x13“ {my 3 — :t’ o [WAaC = Q6942 U/MoCe + (— r7, {NJ/Moot) = - 702 3 j/MOCL .. A623); ., fig; 727:- £23MCX39‘6’ l<A9C= a 5 (i 5.20 ...
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This note was uploaded on 02/02/2012 for the course CHEM 365 taught by Professor Huxford during the Spring '08 term at San Diego State.

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Ch1 - Chem 365 Homework solutions Chapter 1 1-7. From Voet,...

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