Balancing Chemical Equations Concepts

Balancing Chemical Equations Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Jackson Turner

FREE Resource

Dr. B guides viewers through balancing a chemical equation with multiple elements. The process involves listing the elements, calculating their quantities, and adjusting coefficients to achieve balance. The tutorial emphasizes persistence and practice in balancing equations, highlighting the importance of recalculating and adjusting elements like hydrogen, oxygen, and sodium to achieve a balanced equation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in balancing a complex chemical equation?

Add coefficients randomly.

Start with the products.

List all the elements involved.

Ignore the reactants.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many nitrogens are present on the reactant side initially?

Four

Three

Two

One

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of oxygens on the reactant side before balancing?

Nine

Twelve

Ten

Eleven

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many hydrogens are present on the product side initially?

One

Two

Four

Three

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient is added in front of sodium hydroxide to balance the hydrogens?

Two

Three

Five

Four

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After balancing hydrogens, how many oxygens are there on the reactant side?

Nine

Ten

Twelve

Eleven

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Check the coefficients.

Adjust sodiums.

Add more reactants.

Recalculate all elements.

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