Calculate ΔHrxn for the following reaction: 3C(s)+4H2(g)→C3H8(l) Use the following reactions and given ΔH values: C3H8(l)+5O2(g)→3CO2(g)+4H2O(g), ΔH = -2026.6 KJ C(s)+O2(g)→CO2(g) ΔH = −393.5KJ 2H2(g)+O2(g)→2H2O(g) ΔH = -483.5KJ Express your answer to four significant figures in kilojoules.

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Calculate ΔHrxn for the following reaction:

3C(s)+4H2(g)→C3H8(l)

Use the following reactions and given ΔH values:

C3H8(l)+5O2(g)→3CO2(g)+4H2O(g), ΔH = -2026.6 KJ

C(s)+O2(g)→CO2(g) ΔH = −393.5KJ

2H2(g)+O2(g)→2H2O(g) ΔH = -483.5KJ

Express your answer to four significant figures in kilojoules.

 

 

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