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deb6 deb6
  • 16-06-2015
  • Biology
Answered

what phrase best describes the effect of a catalyst on a chemical reaction?

Aincreases the volume of reactants
Bdecreases the reaction rate
Cincreases the temperature
Ddecreases the activation energy

Verified Answer :

Kalahira
Kalahira Kalahira
  • 10-08-2017

A catalyst increases the rate of reaction by decreasing the activation
energy. The correct answer is D. Catalysts are those substances that are
used in reactions to speed up the process. An example of a catalyst
might be iron, during the manufacture of ammonia within the Haber
process.

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