Tandomarqgundy Tandomarqgundy
  • 08-04-2017
  • 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

Respuesta :

dellaM dellaM
  • 08-04-2017
a. a catalyst speeds up a reaction

mark brainliest if that helps! 
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