Consider the following reaction: C2H4(g)+H2(g)→C2H6(g) ΔH=−137.5kJ; ΔS=−120.5J/K Calculate ΔG at 25 ∘C and determine whether the reaction is spontaneous. Express the free energy change in joules to four significant figures.

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* Spontaneous reaction.

Explanation:

Hello,

In this case, for the given reaction, we can compute the Gibbs free energy by using the shown below equation:

In such a way, we proceed as follows with the proper units:

Therefore, since the Gibbs free energy of reaction is less than 0, the reaction is said to be spontaneous.

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120,630,890

step-by-step explanation:

110+10=120,620+10=630,880+10=890

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explanation: