Atom economy (Edexcel GCSE Chemistry): Quizzes
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11 questions from this quiz
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Practise the questions
11 questions from this quiz
What does atom economy measure in a chemical reaction?
What does atom economy measure in a chemical reaction?
How much reactant ends as useful product
What is the benefit of a higher atom economy?
What is the benefit of a higher atom economy?
Less waste and more efficient process
What is the formula for calculating percentage atom economy?
What is the formula for calculating percentage atom economy?
of desired / of all) × 100
In fermentation, if of ethanol is 92 and total is 180, what is the atom economy?
In fermentation, if of ethanol is 92 and total is 180, what is the atom economy?
51%
What does a 51% atom economy in fermentation of glucose mean?
What does a 51% atom economy in fermentation of glucose mean?
51% of atoms end up in desired product
What is the atom economy of the hydration of ethene to make ethanol?
What is the atom economy of the hydration of ethene to make ethanol?
100%
What does theoretical mass represent?
What does theoretical mass represent?
Maximum product from perfect reaction
What is the first step in calculating theoretical mass?
What is the first step in calculating theoretical mass?
Use balanced equation for ratio
In , how many moles of form from 2 moles of ?
In , how many moles of form from 2 moles of ?
2 moles
If of is 2, how many moles are in 8g of ?
If of is 2, how many moles are in 8g of ?
4 moles
If 4 moles of are produced and of is 18, what is the theoretical mass?
If 4 moles of are produced and of is 18, what is the theoretical mass?
72 g