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C5.1 Flashcards

(8 cards)

1
Q

What is yield?

A

Mass of product made

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2
Q

What is theoretical yield

A

Maximum mass of product made

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3
Q

How do you work out theoretical yield?

A

Mass of limiting reactant
————————————————- X Sum of Mr for products
Sum of Mr for limiting reactant

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4
Q

What affects percentage yield?

A
  • reactants may react in different way than expected
  • reaction may not go to completion
  • may lose some of the product when separated to purify
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5
Q

What is atom economy?

A

How many atoms in a reactant form from desired product

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6
Q

What is reaction pathway?

A

Reaction/ series of reaction to make a particular substance

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7
Q

What is a by product?

A

Substance formed in reaction, an addition to desired product

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8
Q

State the advantages and disadvantages of a by product

A

Advantages : can be useful and be able to be sold (money). It also increase atom economy.

Disadvantages: can be toxic and little use. Therefore less desirable.

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