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From the enthalpies of reaction H2(g)+F2(g)→2HF(g)ΔH=−537kJ C(s)+2F2(g)→CF4(g)ΔH=−680kJ 2C(s)+2H2(g)→C2H4(g)ΔH=+52.3kJ Calculate ΔH for the reaction of ethylene with...

From the enthalpies of reaction

H2(g)+F2(g)→2HF(g)ΔH=−537kJ

C(s)+2F2(g)→CF4(g)ΔH=−680kJ

2C(s)+2H2(g)→C2H4(g)ΔH=+52.3kJ

Calculate ΔH for the reaction of ethylene with F2: C2H4(g)+6F2(g)→2CF4(g)+4HF(g)

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