37 Factors Affecting Reaction Rate

For a reaction to occur, the reactant particles must have enough _____________ and collide in the proper orientation.

The collisions that lead to the formation of products are regarded as _____________ collisions.

When the concentration of a reactant increases, the reactant particles become closer together. This increases the frequency of effective collisions. As a result, the rate of reaction ________________.

At a higher temperature, the reactant particles have more energy and move faster. They will collide more ____________________. As a result, the rate of reaction increases.

To speed up chemical reactions, ______________ are widely used in chemical industries.

__________ are biological catalysts that speed up chemical reactions within living cells.

A catalyst can change (usually increase) the rate of a reaction. It remains _____________ at the end of reaction.

A catalyst takes part in a reaction but is ________________.