Based on the standard free energies of formation, which of the following reactio

Question

Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? A. 2C (s) + H_2 (g) rightarrow C_2 H_2 (g); delta G degree _f = 209.2 kJ/mol B. C (s) + O_2 (g) rightarrow CO_2 (g); delta G degree _f = -394.4 kJ/mol C. C (s) + 2S (s) rightarrow CS_2 (g); delta G degree _f = 67.10 kJ/mol D. Ca (s) + 1/2 O_2 (g) rightarrow CaO (s); delta G degree _f = -604.0 kJ/mol Drag the appropriate items to their respective bins. A B C D Feasible synthesis Not a feasible synthesis

Explanation / Answer

If G is negative, then the reaction is feasible synthesis

If G is positive, then the reaction is not a feasible synthesis

So, feasible synthesis are:

B and D

Not a feasible synthesis are:

A and C

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