Understanding Delta E and Internal Energy in Chemical Reactions

Understanding Delta E and Internal Energy in Chemical Reactions

Assessment

Interactive Video

Chemistry

10th - 12th Grade

Hard

Created by

Jennifer Brown

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of the video tutorial by Mr. Millings?

Understanding the change in internal energy (Delta E) of a chemical reaction

Calculating the speed of a chemical reaction

Studying the properties of metals

Learning about the periodic table

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a negative heat of reaction indicate about a chemical reaction?

The reaction is exothermic

The reaction absorbs energy

The reaction is endothermic

The reaction does not involve energy change

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of the video, what is the significance of the change in volume being zero?

It indicates that the reaction is endothermic

It means no work is done during the reaction

It shows that the reaction is spontaneous

It implies that the reaction is at equilibrium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the amount of heat released or absorbed calculated in the video?

By adding the moles of reactants to the heat of reaction

By subtracting the moles of reactants from the heat of reaction

By dividing the moles of reactants by the heat of reaction

By multiplying the moles of reactants by the heat of reaction

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final calculated value of Delta E for the given chemical reaction?

-553.8 kilojoules

553.8 kilojoules

0 kilojoules

-184.6 kilojoules