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Objective: To identify the meaning of heat of formation and to use heats of formation values for reactants and products to determine the enthalpy change of a reaction.
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Heat of Formation
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Equations 4 Questions Given the ∆Hf for a compound, identify chemical equations consistent with the value.
Pick from among the three activities -  Equations, Heat of Reaction 1, and Heat of Reaction 2.
Case Studies Completed
Student Name:
Heat of Reaction 1 3 Questions Determine the ∆H for a reaction if given the ∆Hf values for reactants and products. Includes simplest cases.
Law Breakers Completed
Heat of Reaction 2 3 Questions Determine the ∆H for a reaction if given the ∆Hf values for reactants and products. Includes most complex cases.
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Chemical Equation
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∆H (kJ/mol)
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Show ∆Hf Values
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Use the ∆H values for the steps (below) to calculate the ∆H value for this reaction. Use the Number Pad.
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Heat of Formation
Enter the value of ∆Hrxn. Tap Check Answer button when done. (Careful. Only 1 allowed attempt.)
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∆H=
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