Use the standard enthalpies of formation to calculate ΔH°rxn for the following reaction.  C2H4( g)  +  H2(g)      ⟶   C2H6(g) ΔH°f                    Substance (kJ/mol) C2H4                    52.4 C2H6                   -84.68 Group of answer choices A.) -137.1 kJ B.) 32.3 kJ C.) -32.3 kJ D.) -4.3×103 kJ

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Q: b Answered: b My Questions | bart 101 Chem101 X app.101edu.co Submit Question 26 of 29 Using the…

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