Outlining what percentage atom economy of a reaction is and how to calculate it. Examples are given, including using molar ratios of reactants and products and the theoretical nature of atom economy shown.
For AQA, OCR (A), Edexcel and CIE A-level and IB Chemistry.

What is atom economy?: 00:19
Example - atom economy for Zinc Oxide + Carbon: 02:01
How can atom economy be 100%?: 03:00
Molar ratios and atom economies: 04:22
Theoretical nature of atom economies: 05:55
Summary: 06:22

Examples in video:
Atom economy for Zinc Oxide + Carbon: 02:01
Atom economy for Calcium Oxide + Carbon Dioxide: 03:13
Atom economy for Iron (III) Oxide + Carbon: 04:40

Pages on chemistrystudent.com:
https://www.chemistrystudent.com/them...
https://www.chemistrystudent.com/rela...
https://www.chemistrystudent.com/mole...
https://www.chemistrystudent.com/mole...
https://www.chemistrystudent.com/mole...
https://www.chemistrystudent.com/empi...
https://www.chemistrystudent.com/perc...
https://www.chemistrystudent.com/atom...

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