Practice Problem: Hess's Law

The video tutorial explains how to use Hess's Law to calculate the change in enthalpy for a given reaction. It involves manipulating given thermochemical equations by adjusting stoichiometric coefficients and flipping equations to align reactants and products. The tutorial guides through the process of ensuring all unwanted substances cancel out, leaving the desired reaction. Finally, it demonstrates how to sum the adjusted enthalpy values to find the overall Delta H for the reaction.

How does flipping a reaction affect the sign of the delta H value?

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Identify the substances that were canceled out during the final check of the reactions.

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What is the final delta H value for the reaction in question after all manipulations?

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