# Problem: Calculate the approximate enthalpy change, ΔH rxn, for the combustion of methane:                           CH   4 + 2O2 → 2H2O + CO2Given that-ΔH for CH4 = -74.53 kJ/molΔH for O2 = 0 kJ/molΔH for H2O = -241.8 kJ/molΔH for CO2 = -393.5 kJ/mol

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Calculate the approximate enthalpy change, ΔH rxn, for the combustion of methane:

CH   4 + 2O2 → 2H2O + CO2

Given that-

ΔH for CH4 = -74.53 kJ/mol

ΔH for O= 0 kJ/mol

ΔH for H2O = -241.8 kJ/mol

ΔH for CO= -393.5 kJ/mol

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 Enthalpy of Formation concept. You can view video lessons to learn Enthalpy of Formation. Or if you need more Enthalpy of Formation practice, you can also practice Enthalpy of Formation practice problems.

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Based on our data, we think this problem is relevant for Professor Enderle's class at UCD.