Rates of Reaction Review Ch 16

For many reactions, the conversion from reactants to products is reversible.

• True

• False

Chemists can change the rate of a reaction by changing the concentrations of the reactants.

• true

• false

Tags

NGSS.HS-PS1-5

If the temperature at which a reaction occurs increases, the number of collisions _________________.

• decreases

• increases

• stays the same

Tags

NGSS.HS-PS1-5

 Orientation of molecules during a reaction does not affect the production of products.

• true

• false

The collision theory states that atoms, ions, and molecules must collide in order to react.

• true

• false

Tags

NGSS.HS-PS2-3

If the temperature of the reactants is increased, the rate of the reaction will decrease.

• decrease

• increase

• stay the same

Tags

NGSS.HS-PS1-5

Key factors that influence the rate of chemical reactions include color, concentration, surface area, temperature and odor

• true

• false

Tags

NGSS.HS-PS1-5

The rate of a chemical reaction is defined as the change in concentration of a reactant or product in a given time interval.

• true

• false

Tags

NGSS.HS-PS1-5

The minimum amount of energy needed by the reactant to form the activated complex and lead to a reaction is known as the activation energy.

• true

• false

A/An _____ is a substance that increases the rate of a chemical reaction.

• reactant

• product

• catalyst

• inhibitor

Tags

NGSS.HS-PS1-5