Atom economy

This lesson, students will calculate atom economy for given reactions and then choose and justify a reaction pathway.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is the theoretical yield of a product?

1/5

Q2.H₂ (g) + Cl₂ (g) → 2HCl (g). Starting with 2 g of hydrogen, what mass of hydrogen chloride would be produced? (Relative atomic masses: H = 1; Cl = 35.5)

2/5

Q3.What mass of magnesium oxide is formed when 12 g of magnesium reacts with oxygen? 2Mg + O₂ → 2MgO

3/5

Q4.What mass of aluminium oxide is produced when 13.5 g of aluminium is burned in oxygen? 2Al + 3O₂ → Al₂O₃

4/5

Q5.Which of these is NOT a reason why the percentage yield is less than 100%?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is the theoretical yield of a product?

1/5

Q2.H₂ (g) + Cl₂ (g) → 2HCl (g). Starting with 2 g of hydrogen, what mass of hydrogen chloride would be produced? (Relative atomic masses: H = 1; Cl = 35.5)

2/5

Q3.What mass of magnesium oxide is formed when 12 g of magnesium reacts with oxygen? 2Mg + O₂ → 2MgO

3/5

Q4.What mass of aluminium oxide is produced when 13.5 g of aluminium is burned in oxygen? 2Al + 3O₂ → Al₂O₃

4/5

Q5.Which of these is NOT a reason why the percentage yield is less than 100%?

5/5

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Atom Economy - Triple

This quiz will test your knowledge from this lesson and previous lessons.

Q1.Which of these is the number of atoms in a mole?

1/6

Q2.Which of these reactions for the production of ethanol has an atom economy of 100%?

2/6

Q3.How do you calculate atom economy?

3/6

Q4.How can you improve the atom economy of a reaction?

4/6

Q5.Which of these is a reason for wanting high atom economy?

5/6

Q6.What is the atom economy for the production of Copper Oxide (CuO) using the reaction shown? CuCO₃ --> CuO + CO₂ The Ar for Cu=63.5, C=12, O=16

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Atom Economy - Triple

This quiz will test your knowledge from this lesson and previous lessons.

Q1.Which of these is the number of atoms in a mole?

1/6

Q2.Which of these reactions for the production of ethanol has an atom economy of 100%?

2/6

Q3.How do you calculate atom economy?

3/6

Q4.How can you improve the atom economy of a reaction?

4/6

Q5.Which of these is a reason for wanting high atom economy?

5/6

Q6.What is the atom economy for the production of Copper Oxide (CuO) using the reaction shown? CuCO₃ --> CuO + CO₂ The Ar for Cu=63.5, C=12, O=16

6/6

Lesson summary: Atom economy

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