Gas laws report template W2024 completed

Submit as a pdf file within 48 hours after completing the lab Gas Laws Lab report Name: Kaya Koudsi ID #: 261138205 TA name: Austin Lab Date: Thursday January 25 2024 Results (14 marks) Fill out tables 4-6 using equations from the lab manual. Table 4 (4 marks) Determination of the volume (V) occupied by the gas for your flask Trial m CaCO3 P i T i P H2O-i P i ' P f T f P H2O-f P f ' V (g) (kPa) (K) (kPa) (kPa) (kPa) (K) (kPa) (kPa) (L) 1 0.402 23.33 296.35 2.84 20.49 93.39 297.45 3.05 90.34 0.131 2 0.405 18.68 296.55 2.88 15.8 84.46 297.65 3.08 81.38 0.140 3 0.406 26.13 295.75 2.73 23.4 95.03 296.95 2.97 92.06 0.133 Average 0.134 m CaCO3 , P i , T i , P f , T f are from the datasheet Table 2 (note the units for T are different). P H2O-i , P H2O-f are from the Lab manual Table 1. Table 5 (4 marks) Determination of the CO 2 produced from the antacid samples Trial V P i T i P H2O-i P i ' P f T f P H2O-f P f ' n CO2 (L) (kPa) (K) (kPa) (kPa) (kPa) (K) (kPa) (kPa) (mol) 1 0.134 23.60 295.85 2.74 20.86 54.94 296.45 2.87 52.07 1.69*10^(-3) 2 0.134 25.82 295.45 2.69 23.13 58.36 296.35 2.83 55.53 1.75*10^(-3) 3 0.134 24.47 295.45 2.69 21.78 53.04 295.85 2.74 50.3 1.55*10^(-3) V is the average volume from Table 4. P i , T i , P f , T f are from the datasheet Table 3 (note the units for T are different). P H2O-i , P H2O-f are from the Lab manual Table 1. Submit as a pdf file within 48 hours after completing the lab

Submit as a pdf file within 48 hours after completing the lab Table 6 (6 marks) CaCO 3 concentration in the unknown antacid Trial m antacid n CaCO3 m CaCO3 Concentration of CaCO 3 in antacid (g) (mol) (g) (%w/w) (mg CaCO3/tablet) 1 0.489 1.69*10^(-3) 0.169 34.56 69.08 2 0.507 1.75*10^(-3) 0.175 34.51 68.98 3 0.457 1.55*10^(-3) 0.155 33.92 67.80 Average 34.33 68.62 m antacid are from the datasheet Table 3. n CaCO3 are calculated from n CO2 from Table 5. Questions (5 marks) 1. Let’s say the %w/w concentrations of CaCO 3 you obtain from trial #1 and #2 in Table 6 are in good agreement. These two trials were performed as described in the lab manual without any problems, that is, you can assume the pressures and temperatures were measured correctly. However, for trial #3, a small leak had occurred. Consider the following 2 scenarios: A. the leak occurred during the reaction of HCl with the standard calcium carbonate, B. the leak occurred during the reaction of HCl with the antacid sample. For both scenarios, assume the initial pressure was measured correctly but the final pressure was not as a result of the leak. Explain, for each scenario, how the average % concentration of CaCO 3 in the antacid tablet would be affected. 3 marks  In the scenario A, if there was a small leak during trial #3, the system’s final pressure would drop as a result. This is due to the possibility of a leak allowing some of the CO2, which is created as a reaction between HCl and CaCO3, to exit the system. So the volume of CO2 that we collect would be lower than what is actually produced, which would lead to a decrease in the %w/w of CaCO3, because the denominator in the formula %w/w= (mass of CaCO3/mass of solution)*100 would decrease, causing a decrease overall. In the scenerio B, if there was a small leak during trial #3, we would also observe a decrease in the average % concentration of CaCO3 calculated. Depending on the size of the leak and whether it happenswoth regular