Chemical Energy and Reactions

Chemical Energy and Reactions

Assessment

Interactive Video

Chemistry, Science

8th - 10th Grade

Practice Problem

Hard

Created by

Emma Peterson

FREE Resource

The video explains chemical energy, highlighting how it is present in reactions. It uses the example of mixing potassium permanganate with sulfuric acid to demonstrate how potential energy is converted into kinetic energy, resulting in an explosion. The tutorial emphasizes the transformation of energy during chemical reactions.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is chemical energy?

Energy from the sun

Energy from the movement of electrons

Energy present when chemical components react

Energy stored in the nucleus of an atom

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when potassium permanganate is mixed with sulfuric acid?

A color change occurs

Nothing happens

A gas is released

An explosion is produced

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which substances have potential energy in the given reaction example?

Only potassium permanganate

Only sulfuric acid

Neither of them

Both potassium permanganate and sulfuric acid

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of energy is available for the reaction between potassium permanganate and sulfuric acid?

Electrical energy

Potential energy

Thermal energy

Kinetic energy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to potential energy during a chemical reaction?

It is converted to kinetic energy

It remains the same

It is lost

It is converted to thermal energy

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