Balancing Chemical Equations Concepts

Balancing Chemical Equations Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Olivia Brooks

FREE Resource

In this video, Dr. B demonstrates how to balance the chemical equation for antimony (Sb) reacting with chlorine gas (Cl2) to form antimony trichloride (SbCl3). The process involves counting the atoms on each side of the equation, identifying the imbalance, and adjusting coefficients to achieve balance. The key strategy is to convert odd numbers of atoms to even numbers, simplifying the balancing process. The video concludes with a balanced equation and a tip for handling odd numbers of chlorine atoms.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial number of chlorine atoms on the reactant side of the equation?

4

1

3

2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it beneficial to convert an odd number of atoms to an even number when balancing equations?

It makes the equation more complex.

It simplifies the balancing process.

It decreases the number of reactants.

It increases the number of steps required.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What coefficient is used for Sb to balance the equation?

4

2

3

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final number of chlorine atoms on the product side after balancing?

2

8

4

6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key takeaway when dealing with odd numbers of atoms in a chemical equation?

Ignore them and focus on other elements.

Convert them to even numbers for easier balancing.

Always add more reactants.

Use a different chemical equation.