Q:

What are some examples of exothermic and endothermic processes?

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Quick Answer

Some examples of exothermic processes include formation of ice cubes, condensation of rain from vapor, rusting iron, burning sugar and mixing water with acids. Examples of endothermic processes include melting solid salts, cooking an egg, baking bread, water evaporation and melting ice cubes.

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Full Answer

Exothermic reactions or processes cause a release of heat into the surrounding region while endothermic processes cause an absorption of heat, which results in a drop of temperatures in the surrounding regions.

Exothermic processes: processes such as condensation of water vapor, rusting iron, burning sugar and mixing water with acids all cause a reaction that emits heat energy. Objects in the surrounding region will inevitably begin to experience a rise in temperature. Other examples of this type of reaction include burning of candles, mixing sodium sulfite and bleach, formation of snow in clouds, nuclear fission and combining atoms to make a molecule in the gaseous stage.

Endothermic processes: processes such as cooking eggs, melting solid salt, melting ice cubes and water evaporation cause a drop in temperature in the surrounding region. More examples of this type of reaction include conversion of frost to water vapor, forming a cation in the gaseous stage, separating ion pairs and making an anhydrous salt from a hydrate.

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