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C3 > stuff > Flashcards

stuff Flashcards

1
Q

Functional group carboxylic acids

A

COOH

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2
Q

functional groups esters

A

COO

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3
Q

in water all acids

A

IONISE

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4
Q

adding what to hard water removes hardness

A

washing soda

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5
Q

common catalyst

A

nickel

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6
Q

burning alcohol makes

A

CO2+ H2O

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7
Q

esters made up of

A

carboxylic acid + alcohol + catalyst

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8
Q

check results were acurate… include which word?

A

reproducibilty

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9
Q

explain WHY…

A

state the obvious

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10
Q

read meniscus

A

at eye level

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11
Q

hard water scale is

A

insoluble

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12
Q

when mentioning ions…

A

which ions

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13
Q

Ion exchange resin

A

replaces ions

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14
Q

the flame colours can be

A

masked by other colours

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15
Q

it might be suitable as a fuel because

A

more energy released making than breaking

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16
Q

maximum mass

A

bums method.

Ar divided itself mutiplied by weight in question

17
Q

empirical formula

A

mass given in question (or %) DIVIDED BY actuall mass (Ar)

then make ratio

18
Q

alkene

A

unsaturated hydrocarbons

double bonds

19
Q

alkane

A

saturated hydrocarbons

20
Q

shape memory polymers in stitches

A

use temperature to make thread tighten and close wound

21
Q

non biodegradeable plastics

A

take up landfill
ugly waste
dont break down for ages

22
Q

decomposing plastics have

A

starch in their structures

23
Q

retention time

A

the time taken for a substance to get through a column in mass spectrometry

24
Q

why do retention times differ

A

different substances attracted to substances in the column

25
Q

what are in thermosetting polymers??

A

CROSSLINKS

26
Q

functional group alcohols

A

OH

C3 (1 decks)

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