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Chemical Kinetics

Chemistry

9th - 12th Grade

Used 30+ times

Chemical Kinetics
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16 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an ENDOthermic reaction, heat is...

Lost (released)

Gained (absorbed)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an EXOthermic reaction, heat is...

Gained (absorbed)

Lost (released)

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The sun undergoes fusion reactions to produce light, this is an...

Exothermic Reaction

Endothermic Reaction

Answer explanation

Light is a type of kinetic energy. Since it is a product of a chemical reaction, it is an exothermic reaction.

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Baking a turkey in an oven is an...

Exothermic Reaction

Endothermic Reaction

Answer explanation

The turkey will need to absorb heat in order to cook thoroughly. This is an ENDOthermic reaction.

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An ice cube melts into liquid water. This is an...

Exothermic reaction

Endothermic reaction

Answer explanation

An ice cube will need to absorb heat in order to melt. This is an ENDOthermic reaction.

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A potential energy diagram was created for a chemical reaction. This was an ....

Exothermic Reaction

Endothermic Reaction

Answer explanation

The potential energy of the reactants is higher than the products. This means that heat (energy) was lost during the reaction.

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

This graph represents an...

Endothermic Reaction

Exothermic Reaction

Answer explanation

The potential energy of the products is more than the energy of the reactants. This implies that energy was GAINED; edothermic reaction.

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