Question

What are the two most essential conditions for a chemical reaction to take place? Give one
example of each.​

Answer 1

Explanation:

Molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. Molecules must collide with the proper orientation. A collision that meets these two criteria, and that results in a chemical reaction, is known as a successful collision or an effective collision.

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Answer 2

Explanation:

Close contact. Solution form. Heat.

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