Balancing Chemical Reactions and Equations

Balancing Chemical Reactions and Equations

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explains the industrial production of solid lead metal from lead(II) oxide at high temperatures. It details the process of balancing the chemical equation for this reaction, emphasizing the importance of counting all atoms on both sides of the equation. The tutorial highlights common mistakes, such as forgetting to count all oxygen atoms, and concludes with a balanced equation for PbO plus CO. Dr. B thanks viewers for watching.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the temperature at which lead metal is produced from lead(II) oxide industrially?

1500 degrees Celsius

1000 degrees Celsius

1200 degrees Celsius

800 degrees Celsius

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many oxygen atoms are there on the reactant side of the equation before balancing?

One

Two

Four

Three

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is not involved in the balancing process of the given equation?

Oxygen

Hydrogen

Carbon

Lead

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What common mistake do people make when balancing the given equation?

Forgetting to count the lead atoms

Counting the carbon atoms twice

Ignoring the second oxygen atom

Adding extra carbon atoms

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final balanced equation for the reaction between lead(II) oxide and carbon monoxide?

PbO + CO2 → Pb + CO

PbO + CO → Pb + CO2

Pb + CO → PbO + CO2

PbO + C → Pb + CO2