GOB Chemistry

Learn the toughest concepts covered in your GOB - General, Organic, and Biological Chemistry class with step-by-step video tutorials and practice problems.

Energy, Rate and Equilibrium

Hess's Law

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Hess's Law involves the use of partial reactions in the determination of the overall enthalpy of reaction.

Hess's Law

1

concept

Hess's Law

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example

Hess's Law Example 1

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Problem

Calculate the ∆Hrxn for the following thermochemical equation: 

When given the following: 


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concept

Hess's Law

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example

Hess's Law Example 2

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Problem

Calculate the ∆Hrxn for 

Given the following set of reactions: 



7
Problem

Calculate the ∆Hrxn for 

Given the following reactions: