Yield & Atom Economy (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes

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Percentage Yield
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What does percentage yield compare?

Actual yield to theoretical yield

Why might a reaction not achieve 100% yield?

Some reactions are reversible

How can product be lost during a reaction?

During separation from mixture

What is an example of reactants reacting unexpectedly?

Reacting with oxygen in the air

If actual yield is 44 g and theoretical yield is 55 g, what is the percentage yield?

80%80\%

What is the percentage yield if you get 6.256.25 g but could theoretically get 8.58.5 g?

73.5%73.5\%

What does a percentage yield of 73.5%73.5\% mean?

73.5%73.5\% of reactants became products

In theory, starting with 1010 g of reactants should give how much product?

1010 g

Explore OCR GCSE Chemistry A (Gateway Science Suite) Revision Notes by Topics

Measurement, Mass & Equations

Calculating Mass of Substances

Yield & Atom Economy

Concentration of Solutions

Amount of Substance & Gas Volume

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Measurement, Mass & Equations

Calculating Mass of Substances

Yield & Atom Economy

Concentration of Solutions

Amount of Substance & Gas Volume

Explore OCR GCSE Chemistry A (Gateway Science Suite) Flashcards by Topics

Measurement, Mass & Equations

Calculating Mass of Substances

Yield & Atom Economy

Concentration of Solutions

Amount of Substance & Gas Volume

Explore OCR GCSE Chemistry A (Gateway Science Suite) Exam Questions by Topics

Measurement, Mass & Equations

Calculating Mass of Substances

Yield & Atom Economy

Concentration of Solutions

Amount of Substance & Gas Volume

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