Reaction Rates

What is the energy required to get the reaction started?

(a)  

• Inhibitor Energy

• Catalyst Energy

• Activation Energy
• Surface Energy

Which process feels hot to the observer and releases more energy than it stores?

(a)  

• Inhibitory

• Catalytic

• Exothermic
• Endothermic

What is the catalyst in many chemical reactions, including catalytic converters in automobiles?

(a)  

• Silver

• Gold

• Platinum
• Copper

What slows down chemical reactions and is the opposite of catalysts?

(a)  

• Preservatives

• Inhibitors
• Accelerators

• Catalysts

Tags

NGSS.HS-PS1-5

What is the rate at which reactants are converted to products?

(a)  

• Inhibitor Rate

• Catalyst Rate

• Reaction Rate
• Activation Rate

Tags

NGSS.HS-PS1-5

Which factor increases reaction rates by causing more collisions?

(a)  

• Decrease in Pressure

• Decrease in particle size
• Decrease in Concentration

• Decrease in Temperature

Tags

NGSS.HS-PS1-5

What is the biological catalyst that helps us digest food at a lower temperature?

(a)  

• Platinum

• Enzymes
• Silver

• Gold

Which factor increases reaction rates by causing particles to move faster?

(a)  

• Increase in Pressure of gases
• Decrease in Surface Area

• Increase in Concentration

• Decrease in Temperature

Tags

NGSS.HS-PS1-5

What is the energy released when making bonds?

(a)  

• Activation Energy

• Exothermic Energy
• Bonding Energy

• Endothermic Energy

Tags

NGSS.HS-PS1-4

Which process feels cool to the observer and stores more energy than it releases?

(a)  

• Exothermic

• Endothermic
• Inhibitory

• Catalytic

Tags

NGSS.HS-PS1-4