by Dr. Osama M. Khaled
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published
Oct 12, 2021
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last modified
Jul 13, 2024 10:50 PM
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filed under:
Year 10
Catalysts are very important in industry. They speed up a chemical reaction by lowering the amount of energy you need to get one going. They are the backbone ...
Located in
Chemistry
/
Chemical Reactions
by Dr. Osama M. Khaled
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published
May 31, 2022
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last modified
Jul 13, 2024 10:42 PM
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filed under:
Year 10
Quantities have two parts: the number and the unit. The number tells “how many.” It is important to be able to express numbers properly so that the quantities ...
Located in
Chemistry
/
Measurements