Gas Laws and Airbags

Gas Laws and Airbags - Purpose The purpose of the...

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Purpose The purpose of the experiment was to use gas laws in order to create the chemical reaction that occurs in an automobile airbag. By knowing the volume of the “airbag” we create in the lab, we can calculate how much acetic acid and sodium bicarbonate is needed for the carbon dioxide gas to inflate the bag through the Ideal Gas Law. Procedures The only change in the experiment was that the amount of sodium bicarbonate and acetic acid calculated in order to react in the “airbag” was increased first by 15% and then by 50%, which gave a more desirable result. FSU Chemistry and Biochemistry. Gas Laws and Airbags. 2006 <http://www.chem.fsu.edu/chemlab/chm1050lmanual/gases/procedur e.html> Data NaHCO 3 (s) + CH 3 COOH(aq) -> CH 3 COOHNa(aq) + H 2 O(l) + CO 2 (g) Room Temperature: 21.8° C= 294.95 K Room Pressure: 0.998 atm Bag Dimensions Bag Volume(L) Moles CO 2 needed Moles NaHCO 3 needed Moles CH 3 COOH needed Grams NaHCO 3 needed Volume of 6M CH 3 COOH needed Success or Failure
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Gas Laws and Airbags - Purpose The purpose of the...

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