Consider reaction 1, which is A + B C + D; reaction 2, which is C...
Consider reaction 1, which is A + B C + D; reaction 2, which is C + D E + F; and reaction 3, which is E + F G + H. ΔG°´ for the first reaction is -3.1 kcal/mol; ΔG°´ for the second reaction is 4.2 kcal/mol; and ΔG°´ for the third reaction is 0.7 kcal/mol. Given this information, what would be the value of ΔG°´ (in kcal/mol) for the following net reaction ( A + B G + H)?\
Homework Answers
ANSWER
1. A + B ----> C + D ΔG°´ = -3.1Kcal/mol
2. C + D ----> E + F ΔG°´ = 4.2Kcal/mol
3.E + F -----> G + H ΔG°´ = 0.7Kcal/mol
Add al thethree equations. The net reaction will be
1. A + B ----> C + D ΔG°´ = -3.1Kcal/mol
2. C + D ----> E + F ΔG°´ = 4.2Kcal/mol
3. E + F -----> G + H ΔG°´ = 0.7Kcal/mol
========================
A + B ----> G + H ΔG°´ = -3.1Kcal/mol + 4.2Kcal/mol + 0.7Kcal/mol = 1.8Kcal/mol
CONCEPT: While adding the reactions the same species on opposite side cancell out.
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