stoltzfus_chem123_Midterm1_page8

stoltzfus_chem123_Midterm1_page8 - (c) 432.8 (d) 133.0 (e)...

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24. [7 points] Consider the reaction: Ag + (aq) + Cl - (aq) → AgCl(s) Given the following thermodynamic data, Substance ΔH f ° (kJ/mol) ΔS ° (J/mol*K) Ag + (aq) 105.9 73.9 Cl - (aq) -167.2 56.5 AgCl(s) -127.0 96.1 determine the temperature (in ° C) above which the reaction is nonspontaneous under standard conditions. (a) 1235 (b) 150.5
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Unformatted text preview: (c) 432.8 (d) 133.0 (e) 1641 25. [7 points] The K f = 1.7 x 10 7 for the following reaction at 25 ° C. Calculate the value of ΔG ° in kJ/mol. Ag + (aq) + 2 NH 3 (aq) → Ag(NH 3 ) 2 + (aq) (a) – 41.3 kJ/mol (b) +41.3 kJ/mol (c) – 3.46 kJ/mol (d) +3.46 kJ/mol (e) -0.407 kJ/mol...
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This note was uploaded on 09/15/2008 for the course CHEM 123 taught by Professor Larosa during the Spring '06 term at Ohio State.

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