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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

221.5 kJ`mol^-1`

C

55.4 kJ`mol^-1`

D

145.6 kJ`mol^-1`

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A
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Calculate the temperature above which the reduction of lead oxide to lead in the following reaction become spontaneous. PbO(s) + C(s) rightarrow Pb(s) + CO(g) Given Delta H = 118.4 kJ mol^(-1), Delta S = 200 JK^(-1) mol^(-1) .

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TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -CRITICAL THINKING
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  7. Calculate the free energy change for the following reaction at 300 K. ...

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  10. Which of the following is the CORRECT expression for Delta S?

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