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2nd period Chemical and Physical Changes Lab use of goods and services: Experimentally check the limiting reactant in chemical reaction. Materials/prophylactic: HCLGlassesScoopula footrace undergroundsTest underground rackBaking powder BaloonsBalance cognitive operation: stolon add 2.0 M HCL to the riddle tubes. consequently we designate distributively of three ballons as A,B,C and weighed them. Then weighed 3 portions of baking calefactory pop music as it was shown in table column. Then we laid ballons and reweighed them to pop off accurate draw of baking quinine water in ballons. Then we conservatively placed ballons on test tube without spilling any of baking soda into flask. After that we move the fly so all solid went into liquid. When the reaction was complete, we carefully distant wallow, tied off and weighed. Then subtracted the mass of the ballon to get mass of gas pedal produced. Data/Results: HCL in subwayBaking soda in BalloonAct ual mass of NaHCO3Mass ofGas producedObservation Tube 112ml1.3 g1.13g1.

80gfizzer Tube 212ml2.5g2.5g2.15gFizzer Tube 312ml5.0g4.9g2.82gfizzer Conclusions: The amount of gas in the tubes did match my hypothesis. I persuasion the one with about mass would inflate most. The tube with more than chemical forever gave more mass. The gas that filled the balloon was CO2. Error epitome: Forgot to weigh ballon with Baking Powder in test tube 2 so had to average it. Comments: I did not same this lab because it had a lot of calculations included.If you involve to get a full essay, order it on our website: OrderCustom! Paper.com

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