ThermochemistryHard

Question

The ΔGo values for the hydrolysis of creatine phosphate (creatine-P) and glucose-6-phosphate (G-6-P) are

(i) Creatine-P + H2O → Creatine + P; ΔGo = −29.2 kJ

(ii) G-6-P + H2O → G + P; ΔGo = −12.4 kJ

The value of ΔGo for the reaction G-6-P + Creatine → G + Creatine-P is

Options

A.+16.8 kJ
B.−16.8 kJ
C.−41.6 kJ
D.+41.6 kJ

Solution

From (a) + (b) + (c) + (d) + (e)

Now

$\Delta G^{o} = (23.9) + (555.1) + (1320.2) + ( - 347.5) + ( - 1513.6) = + 38.1\text{ kJ}$

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