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b. Classify each of the following changes as either exothermic or endothermic. (4 points) - Burning propane: - Using a chemical hand-warmer: - Photosynthesis in

b. Classify each of the following changes as either exothermic or endothermic. (4 points) - Burning propane: - Using a chemical hand-warmer: - Photosynthesis in plants: - Lighting a laboratory burner

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