Ju a-CHM 2046-Spring 16-ALL SECTIONS Activities and Due Dates Chapter 17 ) 4/13/

Question

Ju a-CHM 2046-Spring 16-ALL SECTIONS Activities and Due Dates Chapter 17 ) 4/13/2016 11:30 PM 72.7/1004/12/2016 10:08 PM Gradebo PrintCalculator Periodic Table uestion 10 of 11 Mapct Consider a general reaction enzym The G" of the reaction is-4.1 10 kJ temperature of 25 C) mor'. Calculate the equilibrium constant for the reaction. (Assume a Number K' What is AG at body temperature (37.0 C) if the concentration of A is 1.6 M and the concentration of B is 0.70 M? Number kJ. mol onevous ave Up & Vow Souten eCheck Answer 0Next O Prvous Give Up & Vow Solution 2 Check Answer 0 Next Extr Hint

Explanation / Answer

G = -RT*lnK

K = exp(G/(-RT))

K = Exp(-4110/(-8.314*298) = 5.25343

dG = G° + RT*lnQ

Q = [B]/[A]

Q = 0.7/1.6 = 0.4375

dG = G° + RT*lnQ = -4110 + 8.314*(273+37)*ln(0.4375) = -6240.6317 J/mol

dG = -6.24 kJ/mol

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