calculate-h-rxn-for-the-following-reaction-2-c-s-h2-g-c2h2-g-use-the-given-data-

Question

Calculate ΔH°_rxn for the following reaction: 2 C(s) + H₂(g) → C₂H₂(g)

Use the given data below:

C₂H₂(g) + 5/2 O₂(g) → 2 CO₂(g) + H₂O(l) ΔH° = −1299.5 kJ
C(s) + O₂(g) → CO₂(g) ΔH° = −393.5 kJ
H₂(g) + 1/2 O₂(g) → H₂O(l) ΔH° = −285.8 kJ

Accepted Answer

226.7 kJ

Answer

–129.1 kJ

Answer

–385.4 kJ

Answer

799.4 kJ

Calculate ΔH°rxn for the following reaction: 2 C(s) + H2(g) → C2H2(g)Use the given data below:C2H2(g) + 5/2 O2(g) → 2 CO2(g) + H2O(l) ΔH° = −1299.5 kJC(s) + O2(g) → CO2(g) ΔH° = −393.5 kJH2(g) + 1/2 O2(g) → H2O(l) ΔH° = −285.8 kJ