Chemistry Practice Problems Hess's Law Practice Problems Solution: Calculate the ΔHrnx for the following reaction C(s...

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Solution: Calculate the ΔHrnx for the following reaction C(s) + H2O(g) → CO(g) + H2(g)Use the following reactions and given ΔH'sC(s) + O2(g) → CO2(g) Δh = -393.5 kJ2CO(s) + O2(g) → 2CO2(g) Δh = -566.0 kJ2H2(g) + O2(g) → 2H2O(g) Δh = -483.6 kJ

Problem

Calculate the ΔHrnx for the following reaction C(s) + H2O(g) → CO(g) + H2(g)

Use the following reactions and given ΔH's

C(s) + O2(g) → CO2(g) Δh = -393.5 kJ
2CO(s) + O2(g) → 2CO2(g) Δh = -566.0 kJ
2H2(g) + O2(g) → 2H2O(g) Δh = -483.6 kJ