🔥 SET 5: Energy (Endothermic vs Exothermic)
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14 Terms
What is an exothermic reaction?
A reaction that releases energy
What happens to the surroundings in an exothermic reaction?
They get warmer
What is an endothermic reaction?
A reaction that absorbs energy
What happens to the surroundings in an endothermic reaction?
They get colder
What does “exo” mean?
Energy exits
What does “endo” mean?
Energy enters
How do energy levels compare in exothermic reactions?
Reactants have more energy than products
How do energy levels compare in endothermic reactions?
Products have more energy than reactants
What happens when bonds form?
Energy is released
What happens when bonds break?
Energy is required
What physical changes are exothermic?
Freezing and condensation
What physical changes are endothermic?
Melting and boiling
How can you identify reaction type using temperature?
Increase = exothermic, decrease = endothermic
What is a common misconception about bonds?
Breaking bonds releases energy (this is false)