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Bond energy calculations GCSE Chemistry

Posljednje ažuriranje 11 days ago

27

Bond energy calculations

2

Reaction of oxygen with nitrogen

9

11

The dehydration reaction to form ethene from ethanol

1

1

1

4

7

Combustion of ethanol

5

Electrolysis of water.

1

1

Decomposition of hydrazine

6

Combustion of methane

1

Oxidising methane to make methanol

10

2

Combustion of methane

5

1

Synoptic questions

1

1

6

1

1

1

1

1

1

4

Pitanje 1

1.

Pitanje 2

2.

Pitanje 3

3.

Pitanje 4

4.

Pitanje 5

5.

Pitanje 6

6.

Pitanje 7

7.

Pitanje 8

8.

Pitanje 9

9.

Pitanje 10

10.

Drugi mogući odgovor:

endothermic

greater

Pitanje 11

11.

Pitanje 12

12.

Pitanje 13

13.

Pitanje 14

14.

Pitanje 15

15.

Pitanje 16

16.

Pitanje 17

17.

Pitanje 18

18.

Energy profile diagram

a

b

c

d

Pitanje 19

19.

Energy profile diagram

a

b

c

d

Pitanje 20

20.

Drugi mogući odgovor:

3

Only water is formed

solid

exothermic

endothermic

1

aqueous

gas

2

liquid

Pitanje 21

21.

a

b

c

d

Pitanje 22

22.

a

b

c

d

Pitanje 23

23.

Energy profile diagram

a

b

c

d

Pitanje 24

24.

Energy change and catalysts

a

b

c

d

Pitanje 25

25.

a

b

c

d

Pitanje 26

26.

Energy change and catalysts

a

b

c

d

Pitanje 27

27.

Drugi mogući odgovor:

released

increases

less

exothermic