Balancing Chemical Equations Concepts

Balancing Chemical Equations Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Jackson Turner

FREE Resource

The video tutorial covers balancing the chemical equation AlCl3 + Ca3N2, identifying it as a double displacement reaction. It provides a step-by-step guide to balancing the equation, ensuring the number of atoms for each element is equal on both sides. The tutorial also discusses the states of matter involved and suggests that heating may be required to initiate the reaction. The video concludes with a recap of the balanced equation and the type of reaction.

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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the reactants in the chemical equation discussed in the video?

Aluminum chloride and calcium nitride

Calcium chloride and aluminum nitride

Aluminum oxide and calcium sulfate

Calcium carbonate and aluminum hydroxide

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction occurs when aluminum and calcium switch places?

Decomposition

Single displacement

Double displacement

Synthesis

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it suggested to make the number of chlorine atoms even when balancing the equation?

To ensure the reaction is exothermic

To increase the reaction rate

To simplify the balancing process

To decrease the reaction temperature

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many chlorine atoms are present after placing a 2 in front of AlCl3?

6

3

4

5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient is placed in front of calcium chloride to balance the chlorine atoms?

3

2

4

1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many aluminum atoms are needed to balance the equation?

3

2

4

1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step to ensure the equation is balanced?

Adjust the coefficients of chlorine

Adjust the coefficients of aluminum

Adjust the coefficients of nitrogen

Adjust the coefficients of calcium

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What might be necessary to initiate the reaction discussed in the video?

Increasing pressure

Cooling the reactants

Heating the reactants

Adding a catalyst

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final product formed from calcium in the reaction?

Calcium oxide

Calcium sulfate

Calcium carbonate

Calcium chloride