Question

Part 1) Use the following equations to calculate the heat of the reaction for the formation...

Part 1) Use the following equations to calculate the heat of the reaction for the formation of ethane (C2H6).

C2H6(g) + 7/2 O2(g) → 2CO2(g) + 3 H2O(l) Ho = -1560 kJ
C(gr) + O2(g) → CO2(g) Ho = -394 kJ
H2(g) + 1/2 O2(g) → H2O(l) Ho = -286 kJ



Calculate ∆Ho for the following reaction:

2 C(gr) + 3H2(g) → C2H6(g) ethane

Use kJ for your answer.

ΔHo =

Part 2) Find the heat of formation for a mole of sulfuric acid given:

SO3(g) + H2O(l) → H2SO4(l) Ho = -132.6 kJ
H2(g) + 1/2O2(g) → H2O(l) Ho = -285.8 kJ
S(s) + 3/2O2(g)→SO3(g) Δ Ho= -395.6 kJ



Use kJ and 3 significant figures for your answer.

ΔHof of sulfuric acid =

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