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Chemical bonds always break in chemical reactions, causing changes in energy.

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Q: Why do chemical reactions always involve a change in energy?
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Related questions

Why do chemical reactions always involve a chemical change?

Chemical bonds always break in chemical reactions, causing changes in energy.


Why do reactions always involve a change in energy?

Chemical bonds always break in chemical reactions, causing changes in energy.


Is pasteurization chemical or physical change?

Pasteurization involve chemical reactions.


How is cooking sausage a chemical change?

Cooking involve chemical reactions.


Chemical reactions always involve changes in a chemical?

There will always be changes in one of the reactants. In some chemical reactions, one of the chemicals works as a catalyst to encourage a reaction between two or more chemicals but does not change during the reaction.


How is corrosion of copper a chemical change?

Corrosion involve chemical reactions - and these are chemical changes.


Why burning of incense stick is a chemical change?

Burning is a chemical change: involve oxidation reactions and thermal decomposition reactions.


A chemical property is a change in what?

There are many different possible property changes in a chemical change. You must post the specific reaction for anyone to tell you exactly.


Why cooking of rice is a chemical change?

Because cooking involve also chemical reactions.


How can you tell at baking a cake produces a physical change?

Baking is a chemical change because involve chemical reactions.


Why is reactivity not a phyical property?

A physical change doesn't involve chemical reactions, change of the molecule structure.The chemical reactivity is about the ability of an element or compound to realize chemical reactions.


Is ripening of fruit a physical change?

Ripening is a chemical process.Ripening involve many chemical reactions.