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samestepp samestepp
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Calculate the enthalpy of reaction for H2(g) + C2H4(g) → C2H6(g).
         [ΔH°f(C2H4(g)) = 52.3 kJ/mol; ΔH°f(C2H6(g)) = –84.7 kJ/mol]
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Chemistry

Chemistry


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shalashashalasha
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-137 kJ/mol

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