GCSE Chemistry – Atom economy
Learning Objectives
-I can calculate atom economy
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Question 1 of 10
1. Question
What should be used when calculating atom economy?
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Question 2 of 10
2. Question
What is the equation for atom economy?
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Question 3 of 10
3. Question
If a reaction only had one product, what will the atom economy be?
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Question 4 of 10
4. Question
What is the atom economy of iron oxide, Fe_2O_3, in the following reaction?
4Fe(s) + 3O_2(aq) -> 2Fe_2O_3(s)
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Question 5 of 10
5. Question
What is the atom economy of sodium chloride in the following reaction?
2Na(s) + Cl_2(g) -> 2NaCl(s)
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Question 6 of 10
6. Question
What is the atom economy of water in the following reaction?
CH_4(g) + 2O_2(g) -> CO_2(g) + 2H_2O(l)
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Question 7 of 10
7. Question
What is the atom economy of water in the following reaction?
2H_2(g) + O_2(g) -> 2H_2O(l)
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Question 8 of 10
8. Question
What is the atom economy of hydrogen in the following reaction? Leave your answer to one decimal place.
C_3H_8(g) -> C_3H_4(g) + 2H_2(g)
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Question 9 of 10
9. Question
What is the atom economy of copper nitrate, Cu(NO_3)_2, in the following reaction? Leave your answer to one decimal place.
CuCl_2(aq) + 2AgNO_3(aq) -> Cu(NO_3)_2(aq) + 2AgCl(s)
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Question 10 of 10
10. Question
What is the atom economy of fluorine in the following reaction? Leave your answer to one decimal place.
CaF_2(s) + Br_2(l) -> CaBr_2(s) + F_2(g)
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