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Daniel Reid Conner Smith Sarah Wong
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[Hydrochloric Acid]+[Calcium Carbonate(Crayola Chalk)] [Calcium Chloride]+[Water]+[Carbon Dioxide] 2HCl (aq) +CaCO 3(s) CaCl 2(aq) +H 2 O (l) +CO 2(g) Molar Mass CaCO 3 =100.09 g/mole
![[Hydrochloric Acid]+[Calcium Carbonate(Crayola Chalk)] [Calcium Chloride]+[Water]+[Carbon Dioxide] 2HCl (aq) +CaCO 3(s) CaCl 2(aq) +H 2 O (l) +CO 2(g) Molar Mass CaCO 3 = g/mole](http://images.slideplayer.com/15/4865989/slides/slide_3.jpg "[Hydrochloric Acid]+[Calcium Carbonate(Crayola Chalk)] [Calcium Chloride]+[Water]+[Carbon Dioxide] 2HCl (aq) +CaCO 3(s) CaCl 2(aq) +H 2 O (l) +CO 2(g) Molar Mass CaCO 3 = g/mole")
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Powered by ORANGE (spew)
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Calcium Carbonate CaCO 3 (g) Hydrochloric Acid (12.1 M) HCl (mL) Water H 2 O (mL) Pressure of Bottle (atm) Distance (ft) 6.00610.02904.6110 6.15212.5287.54.7020 6.12415.03104.9220 7.10115.03105.5530 6.47315.03105.1427.5 6.50715.03105.1726 6.40715.03105.1120 Test Day-different surface 6.01317.5307.54.8521.08 6.19917.5307.54.9726.42 6.01117.5307.54.8525.5
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Performance: Reasonably consistent Spewed Approximately right distance Re-Design Ideas: Lighter (weight of car) No spew (angle of bottle) Re-work wheel assembly (roll straight & less friction) Use pure calcium carbonate instead of Crayola chalk
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