Hess's Law Video Lessons

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Problem: Consider this reactionC2H5OH + 3 O2 → 2 CO2 + 3 H2O    ΔH = -1370 kJ/molWhat is the enthalpy for this reaction reversed?reaction reversed: 2CO2 + 3 H2O → C2H5OH + 3 O2ΔH = ? KJ/mol

FREE Expert Solution

In this problem, we are asked to determine the enthalpy when the reaction is reversed.

The given reaction is:

C2H5OH + 3 O2 → 2 CO2 + 3 H2O      ΔH = – 1370 kJ/mol

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Problem Details

Consider this reaction

C2H5OH + 3 O2 → 2 CO2 + 3 H2O    ΔH = -1370 kJ/mol

What is the enthalpy for this reaction reversed?

reaction reversed: 2CO2 + 3 H2O → C2H5OH + 3 O2

ΔH = ? KJ/mol

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

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Based on our data, we think this problem is relevant for Professor Pieprzyca's class at St. Marys University.