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WorksheetsKadar Tindakbalas
Total questions: 21
Worksheet time: 14mins
Cara-cara menentukan kadar tindakbalas ialah..
Methods to determine rate of reactions are..
Isipadu asid berubah mengikut masa
Asid volume changes over time
Jisim bahan tindakbalas digunakan melawan selang masa yang diambil
Mass of reactants used against time intervals taken
Masa yang diambil untuk isipadu gas terhasil sepenuhnya
Time taken for a complete volume of gas produced
Jisim produk berkurangan dengan masa berjalan
Mass of products decreasing over time
Kadar tindak balas rendah bermaksud....
A low rate of reaction meaning that...
Masa tindakbalas lambat
Slow time of reaction
Masa tindakbalas pantas
Fast time of reaction
Masa tindakbalas pada masa tertentu
Time reaction on a certain time
Kalsium karbonat bertindakbalas dengan asid hidroklorik yang cair untuk menghasilkan gas karbon dioksida.
Berdasarkan graf yang dihasilkan, apakah kesimpulan yang boleh diberi?
A reaction between calcium carbonate and diluted hydrochloric acid produces carbon dioxide gas.
What conclusion can given from the graph?
Kadar tindakbalas kosong pada saat ke 30
Zero rate of reaction at 30 second
Kadar tindakbalas berkurangan dengan masa
Rate of reaction decreases with time
Kadar tindakbalas meningkat ketika tindakbalas berlaku secara berterusan
Rate of reaction increase as reaction continues
Purata kadar tindakbalas ialah 1.6 cm^3 s^-1
Average rate of reaction is 1.6 cm^3 s^-1
Lebihan zink dicampurkan ke dalam 100 cm3 asid sulfurik yang dicairkan. Isipadu gas H2 melawan masa diplotkan graf. Apakah yang diwakili oleh tangen X?
Excess zinc were mixed in diluted 100 cm3 sulfuric acid. A graph of volume of H2 gas was plotted. What is represented by X tangent?
Kadar tindakbalas pada 1.5 minit
Rate of reaction on 1.5 minutes
Kadar tindakbalas antara minit pertama dan minit kedua
Rate of reaction between first and second minute
Purata kadar tindakbalas dalam 1.5 minit pertama
Average rate of reaction in first 1.5 minutes
Purata kadar tindakbalas untuk eksperimen
Average rate of reaction for the experiment
Berikut adalah persamaan kimia bagi tindak balas antara kalsium karbonat dan asid hidroklorik yang cair (dalam lebihan).
CaCO3+2HCl → CaCl2+H2O+CO2
Graf manakah yang menunjukkan perubahan jisim campuran tindakbalas melawan masa?
Based on the reaction between calcium carbonate and diluted hydrochloric acid (in excess), which graph shows changes of mass of reactants against time?
Gambar rajah menunjukkan eksperimen untuk menentukan kadar tindakbalas antara natrium thiosulfat dan asid hidroklorik. Kadar tindakbalas ditentukan oleh...
Picture shows an experiment to determine rate of reaction between sodium thiosulphate and hydrochloric acid. The rate of reaction is determined by...
mengukur isipadu SO2 terhasil pada selang masa biasa
measure volume of SO2 formed on normal time intervals
mengukur kepekatan asid hidroklorik pada selang masa biasa
measure the concentration of hydrochloric acid on normal time intervals
mencatat masa sebaik sahaja tanda 'cross' hilang
record the time as the cross mark disappeared
mencatat masa sebaik sahaja pemendapan timbul
record the time as a precipitation occurs
Apa yang terjadi sekira saiz bahan tindakbalas menjadi kecil?
What will happen if size of a reactant becomes small?
Meningkatkan kadar tindakbalas (masa cepat)
Increase rate of reaction (faster time taken)
Merendahkan kadar tindakbalas. (masa lambat)
Decrease rate of reaction (slower time taken)
Berdasarkan teori perlanggaran, zarah-zarah mesti berlanggar antara satu sama lain dan menghasilkan tenaga melebihi tenaga pengaktifan. Tenaga pengaktifan ialah....
Based on The Collision Theory, particles must collide each other and produce energy more than its activation energy. Activation energy is....
Tenaga maksimum untuk memulakan tindakbalas
Maximum energy to start a reaction
Tenaga minimum untuk memulakan tindakbalas
Minimum energy to start a reaction
Perlanggaran zarah yang menghasilkan tenaga pengaktifan mesti berlaku dalam....
Collision particles which produce activation energy must occuring in....
Orientasi yang betul
correct orientation
Orientasi yang berlawanan
opposite orientation
Mangkin ______ kadar tindak balas dengan ________ tenaga pengaktifan sesuatu tindakbalas
A catalyst will _______ rate of reaction by _________ activation energy of a reaction
meningkatkan, menambahkan
increasing, giving
merendahkan, mengurangkan
decreasing, reducing
meningkatkan, mengurangkan
increasing, reducing
merendahkan, menambahkan
decreasing, giving
TENTUKAN KEDUDUKAN TENAGA PENGAKTIFAN BERDASARKAN RAJAH DIBAWAH
Determine the location of activation energy based on picture given
A
B
The reaction between zinc and hydrochloric acid is represented by the following chemical equation:
Tindakbalas antara zink dengan asid hidroklorik diwakili oleh persamaan kimia berikut
Zn + 2HCl → ZnCl2 + H2
Which of the following methods is the most suitable to determine the rate of the above reaction?
Antara kaedah berikut yang manakah paling sesuai untuk menentukan kadar bagi tindak balas di atas
Determine the change in temperature of the solution with time Menentukan perubahan suhu larutan berkadar dengan masa
Determine the change in the concentration of zinc chloride with time
Menentukan perubahan kepekatan zink berkadar dengan masa
Determine the volume of hydrogen gas given off with time
Menentukan isipadu gas hidrogen yang dihasilkan berkadar dengan masa.
Determine the change in the concentration of hydrochloric acid with time
Menentukan perubahan kepekatan asid hidroklorik berkadar dengan masa,
Which factor does not affect the rate of reaction?
Faktor manakah yang tidak mempengaruhi kadar tindak balas?
Volume of reactant
Isipadu bahan tindak balas
Concentration of reactant
Kepekatan bahan tindak balas
Temperature of reactant
Suhu bahan tindak balas
Size of solid reactant
Saiz pepejal bahan tindak balas
Which of the following explain the meaning of effective collision?
Antara pernyataan berikut, yang manakah menjelaskan maksud perlanggaran berkesan?
The collision where its energy is less than activation energy
Tindak balas yang tenaganya kurang daripada tenaga pengaktifan
The collision that has low energy
Perlanggaran yang mempunyai tenaga yang rendah
The collision that produces the product
Perlanggaran yang menghasilkan hasil tindak balas
The collision which take place before a reaction
Perlanggaran yang berlaku sebelum sesuatu tindak balas
Which process has the lowest rate of reaction?
Proses manakah yang mempunyai kadar tindak balas yang paling rendah?
Combustion
Pembakaran
Fermentation
Penapaian
Neutralisation
Peneutralan
Photosynthesis
Fotosintesis
The graph shows the volume of hydrogen gas produced against time for the reaction between zinc and sulphuric acid.
Graf menunjukkan isipadu gas hydrogen yang dibebaskan melawan masa bagi tindakbalas antara zink dan asid sulfurik..
The gradient of the graph decreases with time because
Kecerunan graf berkurang dengan masa kerana
catalyst is not used.
mangkin tidak digunakan
volume of mixture decreases
isipadu campuran berkurang
temperature of reaction decreases
suhu tindak balas berkurang
concentration of sulphuric acid decreases
kepekatan asid sulfurik berkurang
Diagram 3 shows the graph of the volume of gas produced against time for the reaction between calcium carbonate and hydrochloric acid.
Rajah 3 menunjukkan graf isipadu gas yang terhasil melawan masa untuk tindak balas antara kalsium karbonat dan asid hidroklorik.
The gradient of the curve decreases with time because
Kecerunan lengkung berkurang dengan masa kerana
hydrochloric acid is a type of monoprotic acid
asid hidroklorik adalah sejenis asid monobes
temperature of reaction decreases
suhu tindak balas berkurang
volume of mixture decreases
isipadu campuran berkurang
concentration of hydrochloric acid decreases
kepekatan asid hidroklorik berkurang
Ammonia dihasilkan melalui proses Haber. Jadual menunjukkan penghasilan ammonia pada empat keadaan suhu dan tekanan. Keadaan manakah penghasilan ammonia yang tertinggi?
Ammonia yielded through Haber process. Table shows an ammonia production in four conditions of temperature and pressure. Which condition gives high production of ammonia?
Keadaan I
Condition I
Keadaan II
Condition II
Keadaan III
Condition III
Keadaan IV
Condition IV
Table 6 shows the volume of gas release at interval time of 30 seconds in an experiment to determine the rate of reaction .
Jadual 6 menunjukkan isipadu gas yang terbebas pada sela masa 30 saat dalam satu eksperimen untuk menentukan kadar tindak balas.
What is the average rate of reaction in the second minute?
Apakah kadar tindak balas purata dalam minit kedua?
0.06 cm3s-1
0.12 cm3s-1
0.37 cm3s-1
7.00 cm3s-1
Figure 15 shows the graph of total volume of carbon dioxide against time for the reaction of a metal carbonate with dilute acid for experiment P and experiment Q.
Rajah 15 menunjukkan graf bagi jumlah isipadu karbon dioksida melawan masa bagi tindak balas karbonat logam dengan asid cair bagi eksperimen P dan
eksperimen Q.
Which of the following explains the differences between both curves from the experiments?
Antara berikut, yang manakah menerangkan perbezaan antara dua lengkuk bagi eksperimen tersebut?
I Temperature of acid in experiment P is higher than in experiment Q
Suhu asid dalam eksperimen P lebih tinggi daripada dalam eksperimen Q
II Catalyst is used in experiment P but not in experiment Q
Mangkin digunakan dalam eksperimen P tetapi tidak dalam eksperimen Q
III Quantities of metal carbonate and acid used in experiment P are more than that in experiment Q
Kuantiti karbonat logam dan asid dalam eksperimen P melebihi dalam eksperimen Q
IV Small particle size of metal carbonate is used in experiment P and big particle size of metal carbonate is used in experiment Q
Saiz zarah karbonat logam yang kecil digunakan dalam eksperimen P dan saiz zarah karbonat logam yang besar digunakan dalam eksperimen Q
III and IV only
I , II and III only
I, II and IV only
I, II , III and IV
Figure 16 shows the graph of total volume of oxygen gas released against time for the decomposition of hydrogen peroxide.
Rajah 16 menunjukkan graf bagi jumlah isipadu gas oksigen yang terbebas melawan masa untuk penguraian hidrogen peroksida.
Which of the following is the inference from the graph?
Manakah yang berikut adalah inferens daripada graf ?
I Rate of gas released at t2 is zero/Kadar pembebasan gas pada t2 adalah sifar
II The average rate of gas released in duration t1 is V/t1 cm3 min-1/Purata kadar pembebasan gas dalam tempoh t1 ialah V/t1 cm3 min-1
III Rate of gas released at the initial reaction is highest/ Kadar pembebasan gas pada permulaan tindak balas adalah paling tinggi
IV Decomposition of hydrogen peroxide decreases with time/Penguraian hidrogen peroksida berkurangan dengan masa.
I , II and III only
I, III and IV only
II, III and IV only
I,II ,III and IV
