Calculate the Enthalpy of Reaction for H₂(g)+ C₂H₄(g) $\rarr$ C₂H₆(g) $\Delta$ H°_f(C₂H₄(g))= 52

question 2

Short Answer

Calculate the enthalpy of reaction for H₂(g)+ C₂H₄(g) $\rarr$ C₂H₆(g).
[ $\Delta$ H°_f(C₂H₄(g))= 52.3 kJ/mol; $\Delta$ H°_f(C₂H₆(g))= -84.7 kJ/mol]

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The quality of being unable to be predicted or foreseen, often leading to uncertainty or surprise.

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