# Problem: 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

###### FREE Expert Solution

The overall reaction: C(s) + H2O(g) → CO(g) + H2(g)

The mechanism:

1. C(s) + O2(g) → CO2(g)                        ΔH1 = -393.5 kJ
2. 2 CO(s) + O2(g) → 2 CO2(g)              ΔH2 = -566.0 kJ
3. 2 H2(g) + O2(g) → 2 H2O(g)               ΔH3 = -483.6 kJ

97% (223 ratings) ###### Problem Details

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

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Hess's Law concept. You can view video lessons to learn Hess's Law. Or if you need more Hess's Law practice, you can also practice Hess's Law practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Davis' class at UCF.