Page 212 - MODUL KIMIA A+XPLOSIVE SPM (LATEST)

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SPM Chemistry A xplosive Module (Chemistry A Ticket For “U”) ANSWERS

P4 - Mol ratio between HCl and CO 2
Nisbah mol di antara HCl dan CO 2
= 2 : 1
= 0.05 : 0.025
P5 - Volume of CO 2 / Isi padu CO 2
3
= 0.025 x 24 // 0.6 dm 5

(ii) Set II
Average rate of reaction / Kadar tindak balas keseluruhan
= 40/45
3 -1
= 0.889 cm s 1

(iii) Set I and Set II
In set I,
P1 - Rate of reaction is higher.
Kadar tindak balas lebih tinggi.
P2 - The size of calcium carbonate used is smaller.
Saiz kalsium karbonat yang digunakan lebih kecil.
P3 - The total surface area of calcium carbonate powder is larger .
Jumlah luas permukaan serbuk kalsium karbonat lebih besar.
P4 - The frequency of collisions between calcium carbonate and
hydrogen ion is higher.
Frekuensi perlanggaran antara kalsium karbonat dan ion
hidrogen lebih tinggi.
P5 - The frequency of effective collisions between calcium carbonate
and hydrogen ion is higher.
Frekuensi perlanggaran antara kalsium karbonat dan ion
hidrogen lebih tinggi.

Set I and Set III
In set III,
P1 - The rate of reaction is higher.
Kadar tindak balas lebih tinggi.
P2 - The concentration of hydrochloric acid is higher .
Kepekatan asid hidroklorik lebih tinggi.
P3 - The number of hydrogen ions per volume is higher.
Bilangan ion hidrogen per isipadu lebih tinggi.
P4 - The frequency of collisions between calcium carbonate and
hydrogen ion is higher.
Frekuensi perlanggaran antara kalsium karbonat dan ion
hidrogen lebih tinggi.
P5 - The frequency of effective collisions between calcium carbonate
and hydrogen ion is higher.
Frekuensi perlanggaran antara kalsium karbonat dan ion
hidrogen lebih tinggi. 10

TOTAL / JUMLAH 20

Sektor Pembelajaran, Jabatan Pendidikan Negeri Sabah | 2020 211