Reaction Rates in Chemistry: Apparatus, Experiment, and Analysis

Reaction Rates
WJEC Chemistry Unit 1 - 1.5
WJEC Chemistry Unit 1 - 1.5
WJEC Science (Double Award) Unit 2 - 2.5
WJEC Science (Double Award) Unit 2 - 2.5
The apparatus:
gas syringe
 
gas
conical flask
granules
acid
Try and explain to a fellow
classmate what you think
this apparatus does.
Click the button to start the
experiment and see what
happens.
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Start
Trial run:
Click the button to start.
stop clock
graph of
results
Here are a set of actual results. Plot them on the graph below using the pen tool:
Here are a set of actual results. Plot them on the graph below using the pen tool:
Click to
see the
plot
points
 
Now draw
the points
or…
 
Now draw
the curve
Click to
check
answer
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
Start
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
Start
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
Start
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
What can you deduce
from these graphs?
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
Start
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
Start
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
Start
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
What can you deduce
from these graphs?
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
Start
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
Start
10
8
6
4
2
0
0
30
60
90
120
150
180
time/s
volume of
gas/cm³
Concentration of acid
0.5 mol. dm¯³
1.0 mol. dm¯³
1.5 mol. dm¯³
All three graphs
Temperature
20  °C
25  °C
35  °C
All three graphs
Surface Area
Granules
Powder
Both graphs
What can you deduce
from these graphs?
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Explore the concept of reaction rates in chemistry through the use of a gas syringe apparatus, conducting experiments, analyzing results, and understanding factors affecting reaction rates. Dive into hands-on activities and graphical representations to enhance your understanding of this fundamental chemical concept.

  • Chemistry
  • Reaction Rates
  • Experiment
  • Gas Syringe
  • Analysis
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  1. Reaction Rates WJEC Chemistry Unit 1 - 1.5 WJEC Science (Double Award) Unit 2 - 2.5

  2. The apparatus: gas syringe Try and explain to a fellow classmate what you think this apparatus does. Click the button to start the experiment and see what happens. Start experiment Were you right? acid gas granules What other apparatus do you need in order to investigate what factors affect the reaction rates? conical flask

  3. Trial run: Click the button to start. Start Can you explain what the graph is showing us? stop clock What are the main features of the line? volume of gas/cm graph of results What changes could you make that would affect the result? 10 8 6 4 2 0 time/s 90 180 150 0 30 60 120

  4. Here are a set of actual results. Plot them on the graph below using the pen tool: Click for help on filling the axes Click for help on filling the axes Time (s) 0 1 2 3 4 5 6 7 8 9 10 Volume of gas (cm3) 0 13 26 35 44 51 56 61 65 68 70

  5. Here are a set of actual results. Plot them on the graph below using the pen tool: Time (s) 0 1 2 3 4 5 6 7 8 9 10 Show x axis Volume of gas (cm3) 0 13 26 35 44 51 56 61 65 68 70 Show y axis 70 Now draw the points or 60 Volume of gas (cm3) 50 Click to see the plot points 40 30 Now draw the curve 20 Click to check answer 10 Time (s) 10 20 30 40 50 60 70 80 90 100

  6. Reaction Rates Click the red buttons to choose the factor Start Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

  7. Reaction Rates Click the red buttons to choose the factor Start Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

  8. Reaction Rates Click the red buttons to choose the factor Start Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

  9. Reaction Rates Click the red buttons to choose the factor Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs What can you deduce from these graphs? Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

  10. Reaction Rates Click the red buttons to choose the factor Start Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

  11. Reaction Rates Click the red buttons to choose the factor Start Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

  12. Reaction Rates Click the red buttons to choose the factor Start Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

  13. Reaction Rates Click the red buttons to choose the factor Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs What can you deduce from these graphs? Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

  14. Reaction Rates Click the red buttons to choose the factor Start Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

  15. Reaction Rates Click the red buttons to choose the factor Start Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

  16. Reaction Rates Click the red buttons to choose the factor Concentration of acid 0.5 mol. dm 1.0 mol. dm 1.5 mol. dm All three graphs What can you deduce from these graphs? Temperature 20 C 25 C 35 C All three graphs volume of gas/cm 10 8 6 4 2 0 Surface Area Granules time/s 90 180 150 0 30 60 120 Powder Both graphs

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