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PPT
Curated OER

Catalytic Converter

For Teachers 9th - 12th
Two animated slides explain the decomposition reactions that occurs within a catalytic converter. An enthalpy diagram is displayed. Hess's Law is demonstrated. Finally, the analogy of football is used to explain Hess's Law. This clever...
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Worksheet
Curated OER

Heat of Formation using Hess's Law Lab

For Students 10th - Higher Ed
For this heat of formation worksheet, students determine the heat of formation for magnesium by combining 3 given reactions and using Hess's Law. Students then complete a data calculations chart for each reaction.
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Worksheet
Curated OER

Heat of Reaction

For Students 11th - Higher Ed
In this reactions worksheet, students define enthalpy, heat of formation, and Hess's Law. Students determine how many kilojoules are released during specific reactions. This worksheet has 6 short answer questions and 11 problems to solve.
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Worksheet
Curated OER

Challenging Thermodynamics Problems

For Students 10th - Higher Ed
For this thermodynamics worksheet, students apply Hess's Law and review internal energy theory and heat capacity theory. Students use Boltzmann formula to calculate entropy and calculate the change in free energy. This worksheet has 12...
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Worksheet
Curated OER

The Enthalpy of Chemical Change

For Students 10th - Higher Ed
In this chemical change worksheet, students review enthalpy and use Hess's law to calculate enthalpy and the heat of reaction for given reactions. This worksheet has 3 problems to solve.