Chemistry

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Group 1 reactivity...
Increases as you go down
1 of 19
Halogens reactivity...
Decreases as you go down
2 of 19
Exothermic energy change is ...
Negative
3 of 19
Endothermic energy change is...
Positive
4 of 19
Halogens form...
Ionic bonds with metals
5 of 19
Transition metals have high...
Densities and melting points
6 of 19
Cl2(g) + 2Kl(aq) =
I2(aq) + 2KCl(aq)
7 of 19
Hard water is caused by...
Calcium and magnesium ions
8 of 19
Temporary hardness is caused by...
Hydrogencarbonate ion
9 of 19
Permanent hardness is caused by...
Dissolved calcium sulfate
10 of 19
A reversible reactions is...
Where the products of the reaction can react to produce the original reactants
11 of 19
If you raise the temperature, the endothermic reactions will...
Increase to use up the extra heat
12 of 19
If you reduce the temperature, the exothermic reactions will...
Increase to give out more heat
13 of 19
Ethanol + Ethanoic acid =
Ethyl Ethanoate + water
14 of 19
Methanol + Propanoic acid =
Methyl Proparnoate + water
15 of 19
Number of moles =
Concentration X Volume
16 of 19
Mass =
Number of moles X relative formula mass
17 of 19
Bond forming is...
Exothermic
18 of 19
Bond breaking is...
Exothermic
19 of 19

Other cards in this set

Card 2

Front

Halogens reactivity...

Back

Decreases as you go down

Card 3

Front

Exothermic energy change is ...

Back

Preview of the front of card 3

Card 4

Front

Endothermic energy change is...

Back

Preview of the front of card 4

Card 5

Front

Halogens form...

Back

Preview of the front of card 5
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