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Bond energy calculations GCSE Chemistry

Last updated 12 days ago

27 Nsɛmmisa

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

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

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2.

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3.

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4.

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5.

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6.

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7.

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8.

Asemmisa {{asɛmmisaAhyɛnsode}}

9.

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

Mmuae Afoforo a Wobɛpaw:

endothermic

greater

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

Asemmisa {{asɛmmisaAhyɛnsode}}

12.

Asemmisa {{asɛmmisaAhyɛnsode}}

13.

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14.

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15.

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16.

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17.

Asemmisa {{asɛmmisaAhyɛnsode}}

18.

Energy profile diagram

a

b

c

d

Asemmisa {{asɛmmisaAhyɛnsode}}

19.

Energy profile diagram

a

b

c

d

Asemmisa {{asɛmmisaAhyɛnsode}}

20.

Mmuae Afoforo a Wobɛpaw:

3

Only water is formed

solid

exothermic

endothermic

1

aqueous

gas

2

liquid

Asemmisa {{asɛmmisaAhyɛnsode}}

21.

a

b

c

d

Asemmisa {{asɛmmisaAhyɛnsode}}

22.

a

b

c

d

Asemmisa {{asɛmmisaAhyɛnsode}}

23.

Energy profile diagram

a

b

c

d

Asemmisa {{asɛmmisaAhyɛnsode}}

24.

Energy change and catalysts

a

b

c

d

Asemmisa {{asɛmmisaAhyɛnsode}}

25.

a

b

c

d

Asemmisa {{asɛmmisaAhyɛnsode}}

26.

Energy change and catalysts

a

b

c

d

Asemmisa {{asɛmmisaAhyɛnsode}}

27.

Mmuae Afoforo a Wobɛpaw:

released

increases

less

exothermic