🤓 Based on our data, we think this question is relevant for Professor Cruz's class at USF.
• Exothermic reactions: lose energy and involve bonds breaking; ΔH is negative
• Endothermic reactions: gain energy and involve bonds forming; ΔH is positive
Sort the following reactions as either endothermic or exothermic.
a. making popcorn in a microwave oven
b. a burning match
c. the reaction inside a chemical heat pack
d. boiling water
e. burning rocket fuel