Welcome to the Quiz!
This quiz contains 6 questions from a mix of 1 subtopics.
What is the atom economy of a reaction?
the actual yield compared to the maximum theoretical yield
a measure of the proportion of starting materials that end up as useful products
the number of atoms that do not end up as useful products
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What are the problems with low atom economy?
(Select all that apply).
there will be more waste products which will have to be disposed of
it will be less sustainable as it will use more resources
the reaction will be slow
it gives a low percentage yield
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Without doing any calculations, what is the atom economy of the reaction below?
2Na + Cl2 ➔ 2NaCl
%
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Calculate the atom economy when making barium sulfate from barium hydroxide and sulfuric acid:
Ba(OH)2 + H2SO4 ➔ BaSO4 + 2H2O
Give your answer to 3 significant figures.
%
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Calculate the atom economy when forming carbon dioxide from iron(III) oxide and carbon monoxide.
Fe2O3 + 3CO ➔ 2Fe + 3CO2
Give your answer to 3 significant figures.
%
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Calculate the atom economy when forming oxygen from hydrogen peroxide.
2H2O2 ➔ 2H2O + O2
Give your answer to 3 significant figures.
%
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