6.4 Hess's Law | High School Chemistry

Chad shows how to use Hess's Law to calculate the Delta H of a reaction. He begins by showing how to manipulate chemical equations and the effect on the Delta H value. He then works 2 Hess's Law sample problems. In the 2nd example, he also explains the shortcut to arriving at the correct answer before going back and working it out the long way as well.

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00:00 Lesson Introduction
00:32 Introduction to Hess's Law and Manipulating Chemical Equations
03:44 Hess's Law Example #1
11:39 Hess's Law Example #2

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