Balancing Chemical Equations Concepts

Balancing Chemical Equations Concepts

Assessment

Interactive Video

Chemistry

10th - 12th Grade

Hard

Created by

Emma Peterson

FREE Resource

The video tutorial demonstrates the process of balancing a complex chemical equation involving iron and concentrated sulfuric acid. The instructor explains the importance of counting elements accurately and provides a step-by-step guide to adjusting sulfate ions and balancing oxygens. The tutorial concludes with final adjustments to ensure the equation is balanced, highlighting the challenges and strategies involved in the process.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main challenge in balancing the given chemical equation?

The presence of multiple compounds with oxygen and sulfur.

The lack of hydrogen atoms.

The absence of a catalyst.

The equation is already balanced.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in balancing the equation?

Adjusting the coefficients of iron.

Counting the sulfate ions.

Adding a catalyst.

Balancing the hydrogen atoms.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the narrator decide to double the coefficients during the balancing process?

To achieve the correct number of sulfur and oxygen atoms.

To increase the number of hydrogen atoms.

To simplify the equation.

To decrease the number of iron atoms.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Increasing the coefficient of sulfuric acid.

Doubling the coefficient of water.

Adding more iron.

Decreasing the coefficient of water.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step in balancing the equation?

Balancing the oxygen atoms.

Adjusting the coefficient of iron.

Adding more sulfuric acid.

Removing excess water.