Author Question: Which factors would decrease the rate of a reaction? I. Lowering the temperature II. Increasing ... (Read 74 times)

Brittanyd9008 · **on:** Aug 27, 2018

Which factors would decrease the rate of a reaction?

I. Lowering the temperature
II. Increasing the concentration of reactants
III. Adding a catalyst
A) I only
B) II only
C) III only
D) II and III
E) I and III

Question 2

For a chemical reaction to occur, all of the following must happen except

A) chemical bonds in the reactants must break.
B) reactant particles must collide with enough energy for change to occur.
C) reactant particles must collide with the correct orientation.
D) a large enough number of collisions must occur.
E) chemical bonds in the products must form.