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Endothermic & Exothermic Reactions

Endothermic & Exothermic Reactions

8. Thermochemistry / Endothermic & Exothermic Reactions / Problem 1

Which process below has the correct sign for ΔHº and correct classification (endothermic or exothermic)?

ANSWERS OPTIONS

A

Photosynthesis (ΔH° = –, Endothermic)

B

Burning a piece of paper (ΔH° = +, Exothermic)

C

Baking soda (NaHCO3) neutralizes vinegar (ΔH° = –, Endothermic)

D

A fireworks display (ΔH° = –, Exothermic)

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