🔥Exothermic process vs Endothermic process❄️
Energy flows during every physical and chemical change. The direction of that flow defines exothermic and endothermic processes.
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🔥Exothermic process
- ✓Releases energy to the surroundings
- ✓Surroundings get warmer
- ✓Energy of products is lower
- ✓Often feels hot to the touch
- ✓Examples: freezing, condensation, burning
❄️Endothermic process
- ✓Absorbs energy from the surroundings
- ✓Surroundings get colder
- ✓Energy of products is higher
- ✓Often feels cold to the touch
- ✓Examples: melting, boiling, evaporation
Verdict
Exothermic processes give out energy and warm their surroundings; endothermic processes take in energy and cool them. The energy flow direction is the deciding factor.
Frequently asked
Is melting exothermic or endothermic?+
Melting is endothermic because it absorbs energy to break the solid structure.
Why does freezing release heat?+
As particles lock into a solid, they release the energy they held in the liquid state.
Does an exothermic process feel hot?+
Usually yes, because it releases energy as heat into the surroundings.
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