Mass of Mg, g 0.034 Final buret volume, mL 38.16 Pbarometric, in Hg 28.05 PH20, torr 17.5 T, °C 20.0 Calculate the student's experimental value of R. Round your answer to four places after the decimal.
Mass of Mg, g 0.034 Final buret volume, mL 38.16 Pbarometric, in Hg 28.05 PH20, torr 17.5 T, °C 20.0 Calculate the student's experimental value of R. Round your answer to four places after the decimal.
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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Question
Calculate the student's experimental value of R. Round your answer to four places after the decimal.
Must use the table's information and the equation (picture attached) to find the experimental value of R.
Transcribed Image Text:**Data Table:**
- **Mass of Mg, g:** 0.034
- **Final buret volume, mL:** 38.16
- **Pressure (P<sub>barometric</sub>), in Hg:** 28.05
- **Water vapor pressure (P<sub>H2O</sub>), torr:** 17.5
- **Temperature (T), °C:** 20.0
**Task:**
Calculate the student's experimental value of R. Round your answer to four places after the decimal.
![**Experimental Value of R**
Your experimental value of R is calculated as follows:
\[ R = \frac{P_{H_2} V_{H_2}}{n_{H_2} T_{\text{lab}}} = \frac{(P_{\text{barometer}} - P_{H_2O}) \cdot V_{H_2}}{n_{H_2} T_{\text{lab}}} \]
**Pay attention to your units.** When substituting your values for P, V, n, and T to get R, they should be in atm, L, mol, and K, respectively.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F36f9df77-a167-4a5a-b65f-f6706a95cade%2Fba0d66d8-7c33-4873-974b-64b1b833d56a%2Fmlvetgq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Experimental Value of R**
Your experimental value of R is calculated as follows:
\[ R = \frac{P_{H_2} V_{H_2}}{n_{H_2} T_{\text{lab}}} = \frac{(P_{\text{barometer}} - P_{H_2O}) \cdot V_{H_2}}{n_{H_2} T_{\text{lab}}} \]
**Pay attention to your units.** When substituting your values for P, V, n, and T to get R, they should be in atm, L, mol, and K, respectively.
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