PS CH 8 Chem Reactions Review

Type of chemical reaction with only one reactant

• synthesis

• decomposition

• single replacement

• double replacement

Which of these has the greatest surface area?

• sugar cube

• granulated sugar

• powdered sugar

In exothermic chemical reactions, energy is

• given off

• absorbed

• neither given off nor absorbed

• energy never changes in chem reactions

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

• exothermic reaction

• endothermic reaction

• you cannot tell what type of reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Substance that increases the reaction rate without being used up

• protein

• reactant

• catalyst

• conversion factor

Generally, increasing temperature ______ the rate of reaction

• decreases

• increases

• decreases then increases

• has no effect on

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following does NOT form diatomic molecules?

• iodine

• hydrogen

• oxygen

• sulfur

Temperature, surface area, catalysts, and __________ impact the rate of reaction.

• concentration

• diatomic molecules

• coefficients

• decomposition

What type of reaction is this?

• single replacement

• double replacement

• combustion

• synthesis

Tags

NGSS.MS-PS1-2

Type of reaction?

• single replacement

• double replacement

• synthesis

• decomposition

Tags

NGSS.MS-PS1-2