Chemistry, 04.04.2020 13:01 bnnn

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Which statement is a correctly written thermochemical equation?

2C8H18 + 25O2 →16CO2 + 18H2O , ΔH = −5,471 kJ/mol

4Fe (s) + 3O2 (g)→2Fe2O3 (s) , ΔH = −3,926 kJ

NH4Cl → NH4+ + Cl–

C3H8 (g) + O2(g)→CO2 (g) + H2O (l), ΔH = −2,220 kJ/mol

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Which statement is a correctly written thermochemical equation?

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