Sachsen-Anhalt Abitur Chemistry Practice Questions - Saxony-Anhalt Abitur Chemistry (Chemie) Exam

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Using ΔfH°m(CH4,g) = -74.6 kJ/mol, ΔfH°m(CO2,g) = -393.5 kJ/mol, ΔfH°m(H2O,l) = -285.8 kJ/mol and ΔfH°m(O2,g) = 0, calculate the standard reaction enthalpy for CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l).

-890.5 kJ/mol -965.1 kJ/mol -604.7 kJ/mol +890.5 kJ/mol

Correct Answer:

-890.5 kJ/mol

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