Balancing Chemical Equations Concepts

Balancing Chemical Equations Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Amelia Wright

FREE Resource

This video tutorial by Dr. B explains how to balance the chemical equation Na2CO3 + H2SO4. It begins with an introduction to the equation, followed by a detailed count of atoms on both the reactant and product sides. The video highlights the importance of counting all atoms, especially oxygen, to ensure the equation is balanced. Common mistakes, such as forgetting to count all oxygen atoms, are addressed. The tutorial concludes with a confirmation that the equation is balanced and a thank you from Dr. B.

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5 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?

Na2CO3 and H2SO4

NaCl and H2O

CO2 and H2O

H2SO4 and NaCl

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many sodium atoms are present on each side of the equation?

Four

Two

One

Three

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of oxygen atoms on the reactant side?

Six

Eight

Five

Seven

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element's atom count is often overlooked when balancing this equation?

Sulfur

Oxygen

Carbon

Sodium

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common mistake people make when balancing the equation?

Not counting all oxygen atoms

Ignoring the sulfur atoms

Forgetting to count all hydrogen atoms

Counting extra sodium atoms