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solong [7]
3 years ago
5

What defines endothermic reactions and exothermic reactions? Select all that apply.

Chemistry
2 answers:
Sergio039 [100]3 years ago
7 0

Answer:

The answer to your question is A and B

Explanation:

Chemical reactions can be classified by the energy that they need to proceed or the energy they release.

Endothermic reactions are reactions that require energy to proceed most of the time this energy is in the form of heat.

Exothermic reactions are reactions that release energy to proceed, this energy could be in the form of heat or light.

Sati [7]3 years ago
3 0
The answer should be C
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Gnesinka [82]

Answer:

Total of all numbers added with the correct rounding and number of significant figures

Explanation:

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3 years ago
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6 0
3 years ago
A formula unit represents the simplest ratio of elements in a______of an ionic compound.
ololo11 [35]

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