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Determination of the Universal Gas Constant Postlab 1. An evaluation of Rwas performed using the procedures outlined in this exercise, The barometric pressure was 735 torr and the temperature was 21.5 "C. The volume of H2(g) collected was 32.7 mL. The calculated value of Rwas 0.0817 L-atm/mol-K. a. How many grams of Mg metal were used in this determination? 0.0316 b. If the correction for the vapor pressure of water had not been performed, what would be the calculated value of R? 70.361 Incorrect c. If the syringe volume had been incorrectly read, resulting in a calculated H, volume of 30.6 ml, what would be the percent error in the calculated value of Rwith respect to the originally calculated value (0.0817 L-atm/mol-K)? 6.4 %

Determination of the Universal Gas Constant Postlab 1. An evaluation of Rwas performed using the procedures outlined in this exercise, The barometric pressure was 735 torr and the temperature was 21.5 "C. The volume of H2(g) collected was 32.7 mL. The calculated value of Rwas 0.0817 L-atm/mol-K. a. How many grams of Mg metal were used in this determination? 0.0316 b. If the correction for the vapor pressure of water had not been performed, what would be the calculated value of R? 70.361 Incorrect c. If the syringe volume had been incorrectly read, resulting in a calculated H, volume of 30.6 ml, what would be the percent error in the calculated value of Rwith respect to the originally calculated value (0.0817 L-atm/mol-K)? 6.4 %

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Determination of the Universal Gas Constant Postlab 1. An evaluation of Rwas performed using the procedures outlined in this exercise, The barometric pressure was 735 torr and the temperature was 21.5 "C. The volume of H2(9) collected was 32.7 mL. The calculated value of Rwas 0.0817 L'atm/mol-K. a. How many grams of Mg metal were used in this determination? 0.0316 70.361 b. If the correction for the vapor pressure of water had not been performed, what would be the calculated value of R? Incorrect c. If the syringe volume had been incorrectly read, resulting in a calculated H, volume of 30.6 mL, what would be the percent error in the calculated value of Rwith respect to the originally calculated value (0.0817 L-atm/mol·K)? 6.4 %
Transcribed Image Text:Determination of the Universal Gas Constant Postlab 1. An evaluation of Rwas performed using the procedures outlined in this exercise, The barometric pressure was 735 torr and the temperature was 21.5 "C. The volume of H2(9) collected was 32.7 mL. The calculated value of Rwas 0.0817 L'atm/mol-K. a. How many grams of Mg metal were used in this determination? 0.0316 70.361 b. If the correction for the vapor pressure of water had not been performed, what would be the calculated value of R? Incorrect c. If the syringe volume had been incorrectly read, resulting in a calculated H, volume of 30.6 mL, what would be the percent error in the calculated value of Rwith respect to the originally calculated value (0.0817 L-atm/mol·K)? 6.4 %
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