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Calculate the free energy change for the...

Calculate the free energy change for the following reaction at 300 K.
`2CuO_((s)) rarr Cu_(2)O_((s))+(1)/(2)O_(2(g))` Given `Delta H = 145.6 kJ mol^(-1)` and `Delta S = 116.JK^(-1) mol^(-1)`

A

`110.8 kJ mol^(-1)`

B

`221.5kJ mol^(-1)`

C

`55.4 k J mol^(-1)`

D

`145.6 kJ mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`Delta G = Delta H - T Delta S`
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  • What is the equilibrium constant, K for the following reaction at 400 K? 2NOCl(g) iff 2NO(g) + Cl_2(g) Delta H = 77.2 kJ "mol"^(-1) and Delta S = 122 JK^(-1) "mol"^(-1) at 400 K

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