Balancing Chemical Equations Concepts

Balancing Chemical Equations Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video tutorial explains how to balance the chemical equation Na2CO3 + H2O. It begins by counting the atoms on both the reactant and product sides. The instructor then focuses on balancing sodium atoms by adjusting coefficients. Oxygen and hydrogen counts are updated accordingly, leading to a balanced equation. The tutorial concludes with a review of the balanced equation for sodium carbonate and water.

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial count of sodium atoms on the reactant side of the equation Na2CO3 + H2O?

Two

Four

One

Three

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many oxygen atoms are initially present on the product side before balancing?

Two

Four

Three

Five

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient is used to balance the sodium atoms in the equation?

Two

Four

One

Three

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After balancing sodium, how many sodium atoms are there on the product side?

One

Two

Three

Four

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many total oxygen atoms are there on the product side after balancing?

Three

Five

Two

Four

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final count of hydrogen atoms on both sides of the balanced equation?

Two

Three

Four

One