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A chemical reaction is a process that changes some chemical substances into others. What is involved in the process of forming these new chemical substances?

Answer 1

The making and breaking of strong chemical bonds......

Chemical change is characterized by the formation of new substances, and the making and breaking of strong chemical bonds. Usually this is signalled by a colour change, though some few reactions proceed without such a change. Phase changes, the transition solid to liquid, liquid to gas, etc. are not considered under this umbrella, and are classified as physical change.

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Answer 2

Axel Alvarado

During a chemical reaction, atoms rearrange to form new chemical substances as chemical bonds are broken and formed.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.