rito7exTwennah rito7exTwennah

07-02-2016
Chemistry

contestada

A substance that speeds up the rate of a chemical reaction is called
a. a catalyst.
b. a lipid.
c. a molecule.
d. an element.

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DjBrutalDoritos DjBrutalDoritos

07-02-2016

I'm not going toblie I'm stuck with A and B. But to me my gut says A

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Аноним Аноним

07-02-2016

A substance that speeds up the rate of a chemical reaction is called a catalyst. As a catalyst speeds up the reaction, as an enzyme does.

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