Reaction Rates

In standard conditions data for line B was recorded. If we run the reaction again at a higher temperature, which line of data would likely be recorded?

• A

• B, again

• C

• No reaction occurs

Tags

NGSS.HS-PS1-5

which factor that affect reaction rate is represented?

• Temperature

• Catalyst

• Surface Area

• Concentration

Tags

NGSS.HS-PS1-5

Indicate whether each of the following will: Increase / Decrease / have No effect on the rate of reaction.

 

                Increasing temperature

              

• Increase

• Decrease

• No Effect

Tags

NGSS.HS-PS1-5

Indicate whether each of the following will: Increase / Decrease / have No effect on the rate of reaction.

• Increase

• Decrease

• No Effect

Tags

NGSS.HS-PS1-5

What effect does increasing the concentration of reactants have on the rate of reaction?

• It decreases the rate of reaction.

• It has no effect on the rate of reaction.

• It increases the rate of reaction.

• It stops the reaction.

Tags

NGSS.HS-PS1-5

If the concentration of a reactant is increased, what is the effect on the rate of reaction?

• The rate of reaction decreases.

• The rate of reaction increases.

• The rate of reaction remains unchanged.

• The reaction stops.

Tags

NGSS.HS-PS1-5

More collisions correspond to a: 

• Faster reaction rate  

• Slower reaction rate

• Constant reaction rate 

• None of the above

Tags

NGSS.HS-PS1-5

How does increasing the temperature generally affect the rate of a chemical reaction?

• It decreases the reaction rate.

• It has no effect on the reaction rate.

• It increases the reaction rate.

• It stops the reaction.

Tags

NGSS.HS-PS1-5

In a chemical reaction, if the concentration of reactants is increased, what happens to the reaction rate?

• It decreases

• It increases

• It remains unchanged

• It initially increases, then decreases

Tags

NGSS.HS-PS1-5

As concentration increases, reaction rate .......

• Increases

• decreases

Tags

NGSS.HS-PS1-5