Balancing Chemical Equations Concepts

Balancing Chemical Equations Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explains how to balance a chemical equation involving sodium sulfate and carbon. It begins by identifying the reactants and products, then counts the atoms on each side of the equation. The tutorial highlights the imbalance in oxygen atoms and demonstrates how to adjust coefficients to achieve balance. The final steps ensure all atoms are balanced, resulting in a complete and balanced chemical equation. The video concludes with a summary of the balanced equation and its components.

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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the initial counts of sodium, sulfur, and oxygen atoms on the reactant side of the equation?

Two sodium, one sulfur, four oxygen

One sodium, two sulfur, three oxygen

Three sodium, one sulfur, two oxygen

Two sodium, two sulfur, four oxygen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element's atoms were initially unbalanced in the equation?

Sulfur

Sodium

Carbon

Oxygen

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient is placed in front of CO2 to balance the oxygen atoms?

4

3

1

2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After balancing the oxygen atoms, how many carbon atoms are present on the product side?

Four

Three

Two

One

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What adjustment is made to balance the carbon atoms in the equation?

No adjustment is needed

Add a coefficient of 4 to carbon

Add a coefficient of 2 to carbon

Add a coefficient of 3 to carbon

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the final products of the balanced equation?

Sodium sulfide and carbon dioxide

Sodium sulfate and carbon dioxide

Sodium sulfate and carbon monoxide

Sodium sulfide and carbon monoxide