the value of change in H for the reaction H2(g)+Cl2(g)->2HCl(g) is -186kj. what is the value...

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the value of change in H for the reaction H2(g)+Cl2(g)->2HCl(g) is -186kj. what is the value o f enthalpy of formation in kj/mol

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Answer 1

Answer #1

H2 + Cl2 ------------> 2HCl

dH⁰_rxn = [2dH⁰_f(HCl)] - [dH⁰_f(H2) + dH⁰_f(Cl2)]

dH⁰_rxn = [2(-92.307)] - [0 + 0 ]

dH⁰_rxn = - 184.614 KJ/mol

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Answer 2

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