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Reaction Powered Car

Reaction Powered Car. Kenneth Huang. Hien Nguyen. Michael Phan. Reaction Chemistry . Vinegar + Baking Soda CH3COOH +H2O+ NaHCO3 2H2O +CO2(g)+NaCH3COO 2) Hydrochloric Acid + Calcium Carbonate 2HCl+CaCO3  CaCl2 + H2O + CO2 (g) 3) Hydrochloric Acid + Baking Soda

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Reaction Powered Car

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  1. Reaction Powered Car Kenneth Huang Hien Nguyen Michael Phan

  2. Reaction Chemistry Vinegar + Baking Soda CH3COOH +H2O+ NaHCO3 2H2O +CO2(g)+NaCH3COO 2) Hydrochloric Acid + Calcium Carbonate 2HCl+CaCO3  CaCl2 + H2O + CO2 (g) 3) Hydrochloric Acid + Baking Soda HCl + NaHCO3  NaCl + H2O + CO2 4) Sulfuric Acid + Baking Soda (FINAL) H2SO4 + 2 NaHCO3  Na2SO4 + 2H2O+ 2CO2 Under 5 atm…moles of CO2 we need… Mass of Baking soda we need (MAX)… Volume of Sulfuric Acid we need…

  3. Method of Producing Gas • Use the kimwipe to wrap around baking soda and dump into the propel bottle. • Use the kimwipe to pour on the side of the propel bottle. • Attempting to trap the gas in a graduated cylinder in water and placing that pressure in the bottle. • Pressure would push the water out of the graduated cylinder and no pressure is collected 4) Use the aluminum foil as a funnel to pour on the side of the propel bottle.  The foil had smooth surface unlike the kimwipe, easier to pour in.

  4. Car Design • Propel bottle is parallel to the ground • Put the tape around the cap to prevent carbon dioxide from leaking • Light • Simple • Rectangular shape • 4 wheel car • Use the zip tie to tie the propel bottle to the cae

  5. Car Design (cont.)

  6. Data: Pre-competition test runs

  7. Data: Reaction Car Competition

  8. Plot: NaHCO3vs Distance

  9. Data: Car competition FINALS

  10. Conclusion • Our car did very well overall. We placed 2nd in our lab class in the Reaction Car Competition and placed 1st in the finals by getting the closest distance to 25 ft (+5 inches) • Our car did not completely spew like many other design, however the exhaust was not completely gaseous either. It has hard for Dr. Skip to judge the “spewness” of our car because we were right on the borderline between spew and no spew. • Multiple test runs allowed us to narrow down how much baking soda was needed to power the car to 25 feet • REDESIGN IDEAS: The one problem we had throughout the project was making the car go in a straight path consistently. Even during the final competition, we were still mingling with the car design to try and make it go in a straight path. If we were to redesign, our car would have bigger wheels and wider frame to provide more stability.

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