Rates of Reactions

A substance that slows down or stops a chemical reaction is called a(n)______________.

• concentrate

• catalyst

• inhibitor

• product

The equation is an example of which type of chemical reaction? NaCl + AgF -->NaF + AgCl

• synthesis

• decomposition

• single replacement

• double replacement

A chemical reaction in which energy is absorbed is ______________.

• an endothermic reaction

• an exothermic reaction

• a single replacement reaction

• a double replacement reaction

Which factors increase the rate of a reaction?

• increasing temperature

• increasing concentration

• increasing surface area

• all of these

Tags

NGSS.HS-PS1-5

Which of the following increase the reaction rate?

• less surface area

• lower temperature

• increased concentration

Tags

NGSS.HS-PS1-5

How can you increase the rate of a reaction?

• Decrease the pressure

• Decrease the concentration

• Increase the concentration

Tags

NGSS.HS-PS1-5

Icing sugar has a greater ______ _____ than a solid cube of

sugar.

• Surface Area

• Catalyst

• Temperature

Tags

NGSS.HS-PS1-3

Why does breaking up a solid reactant increase the rate of reaction?

• it creates more solid
• it creates more energy
• it increases the surface area
• it increases the concentration

Which of the following is not a way to speed up a chemical reaction?

• increasing temperature

• adding a catalyst

• increasing particle size

• increasing concentration

Which of the following colours represent the solution with the largest particle size?

• Red

• Blue

• Both

• None