How does concentration affect reaction rate

A higher concentration of a catalyst will speed up the reaction rate.

increases reaction

Explanation:

the concentration of reactants generally increases the rate of reaction because more of the reacting molecules or ions are present to form the reaction products.

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

: )

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)