Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
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Entropy and Free Energy
In this entropy worksheet, students define entropy and determine if reactions are exothermic or would occur spontaneously. This worksheet has 10 problems to solve.
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Free Energy Formula
In this chemical reaction worksheet, students use the free energy formula to determine if reactions are spontaneous or not. This worksheet has 5 problems to solve.
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Chemistry Worksheet 6
In this chemistry worksheet, students calculate specific changes that take place with different chemical reactions. Students indicate whether the reactions are endothermic or exothermic and spontaneous or nonspontaneous.