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Q: Do Catalyst speed chemical reactions but are not changed by them?
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Is it true that catalyst speed chemical reactions but are not changed by them?

Yes, it's true.


Biologic catalyst that speed up chemical reactions?

Enzymes are biologic catalyst that speed up chemical reactions by lowering its activation energy Ea


What can be used to speed up chemical reactions?

A catalyst


What is the substances that speed up chemical reactions?

An enzyme/catalyst


What is the biological catalyst that speed up the rate of chemical is?

An enzyme is the biological catalyst that speeds up chemical reactions.


What is it when proteins speed up chemical reactions?

The Protein would be referred to as a catalyst.


How is the term catalyst related to the term enzymes?

Both speed up chemical reactions, enzyme is a type of catalyst.


Is it true or false catalysts speed chemical reactions but are not changed by them?

True. That's one of the reasons you use them.


What are the substances that increase the rate of a chemical reaction called?

A catalyst can speed up a chemical reaction. Another possible answer in the Biological sense is that Enzymes speed up chemical reactions, but these enzymes are catalysts of the chemical reactions.Different catalysts catalyse different reactions. For example iron is used as a catalyst in the Haber process (manufacture of ammonia).


What is ture of a catalyst?

It is true that a catalyst is used in chemical reactions to help speed up the reaction by reducing activation energy.


Do catalyst speed up a chemical reaction but not changed by them?

Yes, that is correct.


Is a substance that speeds up chemical reactions in the human body?

An Enzyme.Another word used to speed up chemical reactions not necessarily in the body is a Catalyst.