Rate of Reaction

State what makes a collision more effective:

• Reactants having high energy

• Reactants having low energy

Tags

NGSS.HS-PS1-5

Identify which of these statements is true:

• All chemical reactions occur at the same speed

• you cannot control the speed of a chemical reaction

• you can control the speed of a chemical reaction

Tags

NGSS.HS-PS1-5

Clarify what increases the rate of reaction:

• less reactants colliding per second

• more reactants coliding per second

Tags

NGSS.HS-PS1-5

Identify which of these factors does not affect the rate of reaction:

• the glassware

• the temperature

• the surface area

• the concerntration

Tags

NGSS.HS-PS1-5

State which of these is an example of a fast reaction:

• gunpowder exploding

• compost decomposing

• wine fermenting

• metal rusting

Tags

NGSS.HS-PS1-5

State which of these is an example of a slow reaction:

• gas burning

• dynamite exploding

• fireworks going off

• metal rusting

Tags

NGSS.HS-PS1-5

Clarify which of these is an example of a fast reaction:

• iron corroding

• wood burning

• bread rising

• plants decomposing

Tags

NGSS.HS-PS1-5

Clarify which of these is an example of a slow reaction:

• plant decomposing

• oil burning

• fuel combusting

• gunpowder exploding

Tags

NGSS.HS-PS1-5

The graph below shows the change of product mass over time during three different reactions.

Identify which reaction (A, B or C) has the fastest rate of reaction (the one that takes the shortest time to reach the maximum mass).

• Product A

• Product B

• Product C

Tags

NGSS.HS-PS1-5