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QC Reaction Rate

Authored by Candice R. HENRY

Chemistry

10th Grade

Used 2+ times

QC Reaction Rate
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these would have no effect on the rate of a chemical reaction.

The person doing the experiment

Temperature of reactants

Surface area of reactants

Adding a catalyst

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a catalyst work in speeding up a reaction?

By lowering the activation energy or reaction

by giving them more energy

by making them more available

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the rate of reaction?

How fast a reaction is 
How big a reaction is
How loud a reaction is
How much gas a reaction produces

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How could we make this reaction happen more quickly?

Decrease the concentration of the acid

crush the chalk to increase the surface area

Put the test tube in an ice bath

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why don't all collisions between particles cause a reaction?

the particles also need to collide with a catalyst
not all the particles collide with enough energy
not all the particles collide at a high enough temperature
the particles need to collide with each other twice

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The following graph shows two different reaction pathways for the same overall reaction at the same temperature. Which pathway is slower and why?

Red, because the activation energy is larger
Blue, because the activation energy is lower
both reaction progress at the same rate

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What makes an effective collision?

When molecules collide.
When molecules collide with the proper orientation.
When molecules collide with proper orientation and enough kinetic energy.
High Temperature.

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