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C6 Rates of Reaciton

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Last updated 4 months ago
37 questions
4.6.1.1 Calculating rates of reaction
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WS2.3
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WS2.4
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MS2c
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4.6.1.1
WS3.5
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4.6.1.1
MS4a
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4.6.1.1
MS4a
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4.6.1.1
MS3c
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4.6.1.1
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4.6.1.1
WS3.5
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4.6.1.1
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4.6.1.1
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4.6.1.1
4.6.1.2 Factors affecting rate of Reaction
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4.6.1.2
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4.6.1.2
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4.6.1.2
WS1.3
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4.6.1.2
4.6.1.3 Collision theory and activation energy
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4.6.1.3
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4.6.1.3
4.6.1.4 Catalysts
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4.6.1.4
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4.6.1.4
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4.6.1.4
4.6.2 Reversible reactions and dynamic equilibrium
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Questions 8 & 9
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Question 10
01:19
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Question 11
01:51
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Question 12
02:28
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Question 13
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Question 14
03:24
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Question 15
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Question 16
05:00
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Question 17
17.
What is the volume of gas in the syringe?

Volume = _______ cm3
Question 18
18.

Question 19
19.

The student measured the volume of gas produced every 20 seconds for 2 minutes.

The volume of gas was zero at the start of the experiment.

The measured volumes of gas were: 26 cm3 38 cm3 47 cm3 55 cm3 59 cm3 60 cm3

Complete the table to show these results.

Tick one box to select the correct unit for each variable.

Question 20
20.

Describe the trends shown in the student’s results.

Question 21
21.

Question 22
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Question 23
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Question 24
24.

Draggable itemarrow_right_altCorresponding Item
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Question 25
25.

Describe the trends shown in the student’s results.

Question 26
26.
The symbol equation for the decomposition of hydrogen peroxide (H2O2) is:

2 H2O2 → 2 H2O + O2

Complete the word equation for the decomposition of hydrogen peroxide.

hydrogen peroxide → _______ + _______
Question 27
27.

Question 28
28.

Describe to Jun a method he could use to measure rate of reaction, and an advantage of using this method.

Question 29
29.

Question 30
30.

Question 31
31.

Question 32
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Question 33
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Question 34
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Question 35
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Question 36
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Question 37
37.

Question 1
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Question 2
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Question 3
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Question 4
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
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Question 11
11.

Question 12
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Question 13
13.

Question 14
14.

What piece of equipment measures time for all his experiments?

Question 15
15.

What do both experiments level off at the same point?

Question 16
16.

List the 3 sources of error from the video

Which apparatus would measure 50cm3 of hydrochloric acid with the greatest accuracy
50cm3 beaker
50cm3 conical flask
50cm3 measuring cylinder
Match the method to the unit of rate of reaction
A conical flask containing sodium thiosulfate and dilute hydrochloric acid is placed on a piece of paper with a cross on it.
g/s
Marble chips and hydrochloric acid are placed in a conical flask on a top-pan balance.
cm3/s
Marble chips in hydrochloric acid are placed in a conical flask, with a bung attached to a gas syringe at the opening.
s
Measuring the gas produced, the mass lost, or the light transmitted are all ways of measuring the rate of reaction.
True
False
Increasing the pressure of gases in a reaction will increase the rate of reaction.
True
False
Increasing the temperature of reactants increases the number of particles in the reaction.
True
False
There are five main factors that affect the rate of reaction.
True
False
For every 10°C temperature increase, the rate of reaction triples.
True
False
Collision theory states that particles must collide with enough energy in order to react.
True
False
The minimum amount of energy required for a successful collision is called the starter energy.
True
False
Different catalysts are needed for different reactions.
True
False
During a reaction, a catalyst gets used up and has to be replaced each time.
True
False
Catalysts are usually cheap transition metals.
True
False
What is rate?
The speed reactants turn into products
The speed products turn into reactants.
What reaction is most suitable to measure rate?
Rusting of iron
Magnesium and acid
An explosion
Select the correct equations for calculating rate of reaction
Quantity of Products formed / time taken
Quantity of Reactants used / time taken
Time taken x Quantity
Chemical / time
What are suitable units of rate?
cm3/s
s
s/g
g/s
What is always the correct unit of time?
Hours
Minutes
Seconds
Days
We produce 10g in 2 minutes. What is the average rate of reaction?
5 g/min
10 g/min
0.083 g/s
0.16 g/s
At the beginning of a chemical reaction, the rate is....
fastest
slowest
What two pieces of measuring equipment is he going to use to capture gas is this experiment?
measuring cylinder
conical flask
gas syringe
beaker
What pieces of equipment is best for measuring the volume of a liquid, like acid?
measuring cylinder
conical flask
gas syringe
beaker
Which piece of equipment is he using to capture gas in the first method?
measuring cylinder
inverted measuring cylinder
conical flask
How often do you need to measure the gas produced?
every 10 seconds
every 10 min
every 5 seconds
every 5 min
The first time he did this, he used 2 mol/dm3. The second time time he is using 1 mol/dm3. Do you think it will be faster or slower?
faster
slower
What piece of equipment captures the gas in this second experiment?
measuring cylinder
inverted measuring cylinder
gas syringe
conical flask