Explain delta h rxn equal to delta hf for the product

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Reference no: EM13534104

1) For which one of the following equations is H°rxn equal to Hf° for the product?

For which one of the following equations is H°rxn equal to Hf° for the product?

Xe (g) + 2F2 (g) -----------XeF4 (g)

CH4 (g) + 2Cl2 (g) --------CH2Cl2 (l) + 2HCl (g)

N2 (g) + O3 (g) -------------N2O3 (g)

2CO (g) + O2 (g)------------- 2CO2 (g)

2) for which one of the following reactions is the value of delta H rxn equal to delta Hf for the product?

2C (s, graphite) + 2H2 (g)----------C2H4(g)

H2O (l) +1/2 O2 (g)--------------H2O2(l) or 2H2(g) + O2 (g) -----2H2O (g)

2H2(g)+O2 (g)-------------2H2O(l) or N2(g) + O2(g)------2NO (g)

Reference no: EM13534104

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