CU Fa20 Determination of Ideal Gas Law Constant DRY LAB Q.pdf

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Determination of Ideal Gas Law Constant Trenton Tyler 10/29/2020
Introduction What is being determined in this lab? Please provide a brief (2-3 sentences) answer in your own words. What is being determined in this lab is the Ideal Gas Law which is the value of R. This is being found by the procedure and calculating the moles of O2, Temperature, and volume of O2. Data Activity 1 Data Table 1 Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Trial 6 Trial 7 Trial 8 Air temperature 21.7 21.7 21.7 21.7 21.7 21.7 21.7 21.7 Volume H 2 O 2 liquid (mL) 1.10 1.00 2.10 1.99 2.98 3.00 4.00 3.99 Initial Volume Gas (mL) 30.1 15.7 31.1 29.9 46.7 33.6 25.5 20.4 Final Volume Gas (mL) 40.4 26.5 56.3 55.5 82.4 71.9 75.6 71.4 V (mL) 10.3 10.8 25.2 25.6 35.7 38.3 50.1 51.0 1. Would the volume of oxygen that is generated by affected if a smaller mass of yeast (at home) or KI (on campus) were used? Why or why not?
1 © 2016 Carolina Biological Supply Company Yes, the volume of oxygen that is generated would be affected if a smaller mass of yeast was used because less gas would be produced and carried to the graduated cylinder which would cause there to be a lower volume of oxygen.

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