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Hydrochloric Acid Baking Soda Sodium Chloride Carbon Dioxide
Theoretical PredictionsMolar Mass Molar Mass
Hydrochloric Acid
Baking Soda
Sodium Chloride
Carbon Dioxide
36.45 g/mol
84 g/mol
58 g/mol
44 g/mol
In the reaction every compound is 1:1 mole ratiois 1:1 mole ratio
Theoretical Predictions CONTINUATION
Ideal gas law- arrange to solve for n
Since the reaction is 1:1 mole ratio we can predict that HCl and Baking soda is 0.145 moles
Theoretical Predictions CONTINUATION
Since the reaction is 1:1 mole ratio we can predict that HCl and Baking soda is 0.145 moles
Convert moles to grams
Convert moles to L using M equation
Another reaction
We tried another reaction that is Citric acid mix with baking soda.And we collected some data. The car moved 10 ft 10 ft maximum.
Citric Acid Baking soda Sodium Citrate Carbon Dioxide
Theoretical PredictionsMolar Mass Molar Mass
Citric Acid
Baking soda
Sodium Citrate
Carbon dioxide
192 g/mol
84 g/mol
36.45 g/mol
258 g/mol
In the reaction carbon Dioxide and Baking soda are 1:1 mole 1:1 mole ratio BUT carbon Dioxide and Citric acid are 3: 1 mole ratio3: 1 mole ratio
Testing Results
HCl Baking Soda Water Mole CO2 Pressure CO2 Distance Traveled
50 ml (grams) added (ml) Calculated (700ml bottle) ( ft)
10.9 11.23 10 0.131 4.5 9
10.9 11.46 11 0.131 4.5 11
10.9 11.21 12 0.131 4.5 13
10.9 11.67 15 0.131 4.5 15
11.2 11.24 10 0.134 4.6 12
11.2 11.15 11 0.134 4.6 12
11.2 11.24 12 0.134 4.6 15
11.2 11.24 15 0.134 4.6 16
11.4 11.84 11 0.137 4.7 14
11.4 11.49 15 0.137 4.7 18
12.1 12.87 10 0.145 5.0 19
12.1 12.65 11 0.145 5.0 20
12.1 12.51 12 0.145 5.0 19
12.1 12.43 13 0.145 5.0 18
12.1 12.48 14 0.145 5.0 21
12.1 12.22 15 0.145 5.0 23
12.1 12.12 16 0.145 5.0 21
12.1 12.8 15 0.145 5.0 23
12.1 12.47 16 0.145 5.0 24
12.1 12.45 15 0.145 5.0 24
Note: All calculations are calculated via Excel
close to 25 ft
Made it to finals
Testing Results – Semi finals
HCl Baking Soda Water Mole CO2 Pressure CO2 Distance Traveled
50 ml (grams) added (ml) Calculated (700ml bottle) ( ft)
12.1 11.00 15 0.145 5.0 13
12.1 11.31 15 0.145 5.0 15
12.1 11.30 15 0.145 5.0 18
12.1 11.32 15 0.145 5.0 20
12.1 11.60 15 0.145 5.0 19
12.1 11.60 15 0.145 5.0 20
12.1 11.56 15 0.145 5.0 plus 4 inch
12.1 11.2 15 0.145 5.0 plus 13 inch
Made it to finals “4th place”
Testing Results – PLOTS
Distance Traveled
Val
ues
Conclusions- Drawings
START11.5 g Baking Soda
12.0 mL HCl14 mL water
A quick drawing shows our best RUNs
END – 25 ft
20 ft
15 ft
10 ft
NO spew1st run
2nd run
3rd run
•Generally the car performed well because of its unique design and intense group care.
• The car didn’t spew in the most of runs especially in the final tests.
•We maintained good table of data so we can know if any errors happens.
•The citric acid experiment failed but the car moved to 10 ft maximum after couple of runs.
Random Pictures
FINALS Day
Dear Dr. Skip,
During this term fall 2009, we have enjoyed our times in your class. You are totally a great instructor. We have gained allot of knowledge through the whole term and the stuff covered in the class were interesting and important. You were emphasizing on materials that will help us in engineering major later on. There are many qualities that you own. You were a great helper to the students especially us. Finally, we wish you the best of the best and have great winter break with your family!
Regards,
Ammar AlsaeedGina PimentelTyler Folkman
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