Problem: What does positive ΔH tell about a reaction?

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We're being asked to determine what does positive ΔH tell about a reaction.

For ΔH, recall endothermic and exothermic reactions:

Exothermic reactions

lose energy, releases heat, the temperature of the surroundings increases

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What does positive ΔH tell about a reaction?

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Our tutors have indicated that to solve this problem you will need to apply the Endothermic & Exothermic Reactions concept. You can view video lessons to learn Endothermic & Exothermic Reactions. Or if you need more Endothermic & Exothermic Reactions practice, you can also practice Endothermic & Exothermic Reactions practice problems.