Page 59 - Hybrid PBD 2022 Tg 4 - Kimia

Kimia Tingkatan 4 Bab 7

PBD
PBD 7.1 Penentuan Kadar Tindak Balas
PBD
Determining Rate of Reaction Buku Teks ms. 220 – 229

1. Kelaskan tindak balas yang diberi kepada tindak balas cepat atau tindak balas perlahan. SP 7.1.1 TP2
Classify the reactions given into fast reaction or slow reaction.

Fotosintesis Pereputan Pembakaran gas Nyalaan mancis Pengaratan
Photosynthesis Decomposition Combustion of gas Ignition of matches Rusting

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Tindak balas cepat Tindak balas perlahan
Fast reaction Slow reaction
Pembakaran gas Fotosintesis
Combustion of gas Photosynthesis
Nyalaan mancis Pengaratan
Ignition of matches Rusting
Pereputan
Decomposition

2. Jawab soalan-soalan berikut. SP 7.1.2 TP1 Simulasi
GURU
Answer the following questions. GURU Perubahan semasa Tindak Balas
Changes during Reaction
(a) Apakah maksud kadar tindak balas?
What is meant by rate of reaction?

Perubahan kuantiti bahan tindak balas per unit masa atau perubahan hasil tindak balas per unit masa.
The changes in the quantity of the reactants per unit time or the changes in the quantity of the products per unit time.

(b) Berikan dua contoh unit bagi kadar tindak balas.
Give two examples of units for rate of reaction.
–1
–3
–1
g s , g minit , cm s , cm minit , mol dm s , mol dm minit (Mana-mana dua jawapan)
3
–1
3
–1
–3
–1
–1
g s , g minute , cm s , cm minute , mol dm s , mol dm minute (Any two answers)
3
–3 –1
–3
–1
–1
–1
3 –1
–1
(c) Nyatakan perubahan pada kuantiti bahan tindak balas dan kuantiti hasil tindak balas semasa tindak balas
berlaku.
State the changes of the quantity of reactants and quantity of products during the reaction.
• Kuantiti bahan tindak balas berkurang. / Quantity of reactants reduces.
• Kuantiti hasil tiindak balas bertambah. / Quantity of products increases.
3. Tentukan perubahan pemerhatian yang boleh diukur. SP 7.1.3 TP3 KBAT Mengaplikasi
Determine the observable changes that can be measured.
Tindak balas Perubahan pemerhatian
Reaction Observable changes
(a) Tindak balas antara serbuk zink dan asid hidroklorik. Isi padu gas hidrogen
Reaction between zinc powder and hydrochloric acid. Volume of hydrogen gas
(b) Tindak balas antara larutan natrium iodida dan larutan Pembentukan mendakan plumbum(II) iodida
plumbum(II) nitrat. Formation of lead(II) iodide precipitate
Reaction between sodium iodide solution and lead(II) nitrate solution.
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07 Bab 7.indd 166 10/29/21 5:18 PM