A level Chemistry > module 2 extra > Flashcards

module 2 extra Flashcards

(9 cards)

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1
Q

what do bases do

A

absorb H+ ions in aqueous solutions

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2
Q

what are alkalis

A

soluble bases that release OH- ions in aqueous solution

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3
Q

what are some common acids

A

HCL , H2SO4, HNO3,CH3COOH

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4
Q

What are some common alkalis

A

NAOH, KOH,NH3

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5
Q

How are salts formed

A

when the H+ ion In an acid is replaced by a metal ion or an NH4+

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6
Q

how do you calculate atom economy

A

Mr of desired product divided by Mr of all products X100

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7
Q

How do you calculate percentage yield

A

actual yield divided by theoretical yield X 100

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8
Q

How many electrons can the first four Shells hold

A

2,8,18,32

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9
Q
A
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