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maxonik [38]
3 years ago
14

Place an X next to each action that would most likely increase the reaction rate.

Chemistry
1 answer:
Shtirlitz [24]3 years ago
5 0

Answer:

2.__ Dissolving two solids in water before mixing them together.

4.__ Grinding a solid into fine particles.

5.__ Adding an enzyme catalyst.

Explanation:

The rate of reaction is the measure of the speed of a chemical reaction.

Some factors affects the rate of reactions such as pressure, temperature, concentration, surface area, presence of catalyst.

  • Reactions in liquid medium are much faster than those between solids because there is a flow of substances. As they come in contact with one another, collision begins to take place.
  • Grinding a solid into fine particles increases the surface area. An increase in surface area increases the rate of reaction.
  • Adding an enzyme catalyst lowers the activation energy and reduces the energy barrier that must be overcome before a reaction takes place.
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