Page 64 - Hybrid PBD 2022 Tg 4 - Kimia

Kimia Tingkatan 4 Bab 7

Keputusan / Result:

(a) Set I / Set I
Masa (minit) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Time (minute)
Isi padu gas (cm ) 0.00 8.50 15.00 21.00 26.00 30.00 33.50 36.50 39.00 41.30 43.00 43.00 43.00
3
Volume of gas (cm )
3
(b) Set II / Set II
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Masa (minit) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Time (minute)
Isi padu gas (cm ) 0.00 14.00 26.50 34.00 39.00 43.00 43.00 43.00 43.00
3
Volume of gas (cm )
3
Mentafsir data / Interpreting data:
(a) (i) Plotkan graf untuk Set I dan Set II pada kertas graf yang sama.
Plot graphs of Set I and Set II on the same graph paper.

Isi padu gas (cm )
3
Volume of gas (cm ) 3
50.0
Set lI / Set II
D
40.0
Set l / Set I

30.0

A
20.0

10.0 E F
B C

Masa (minit)
0 1.0 2.0 3.0 4.0 5.0 6.0 Time (minute)

(ii) Hitung kadar tindak balas purata bagi setiap set apabila tindak balas selesai.
Calculate the average rate of reaction for each set when the reaction is over.
43 43
Set I: = 8.6 cm minit / cm minute –1 Set II: = 17.2 cm minit / cm minute –1
3
–1
3
–1
3
3
5 2.5
(iii) Tentukan kecerunan pada 1 minit bagi setiap graf.
Determine the gradient at 1 minute for each graph.
AB 14 DF 27
Set I: = = 12.73 cm minit / cm minute –1 Set II: = = 16.88 cm minit / cm minute –1
–1
3
–1
3
3
3
BC 1.1 EF 1.6
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07 Bab 7.indd 171 10/29/21 5:18 PM