REPORT SHEET Determination of R: The Gas Law Constant 1. Mass of test tube + KCIO3 + MnO₂ 2. Mass of test tube + contents after reaction 3. Mass of oxygen produced 4. Mass of 125 mL flask + water 5. Mass of 125 mL flask" 6. Mass of water 7. Temperature of water 22°C 8. Density of water 07977 = 295-15K 81mL 288160 1.01 atm 9. Volume of water 10. Barometric pressure 11. Vapor pressure of water 0.026 atm 12. Pressure of O₂ gas (show calculations) 1.01- 0.026 11.597 g g g g 0.089 174.466 94.031 80.435 8 g of O2 gas 19.8/769) 0.984 atm. PO₂ Ptotal 0-984 atm. PH₂0 13. Gas law constant, R, from ideal gas law (show calculations) PV 1Cint) 10.089) (21 () = 1(81mL 14. R from the van der Waals equation (show calculations)

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Chapter5: The Gaseous State
Section: Chapter Questions
Problem 5.127QP: A 1.000-g sample of an unknown gas at 0C gives the following data: P(atm) V (L) 0.2500 3.1908 0.5000...
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REPORT SHEET
Determination of R:
The Gas Law Constant
1. Mass of test tube + KCIO3 + MnO₂
2. Mass of test tube + contents after reaction
3. Mass of oxygen produced
4. Mass of 125 mL flask + water
5. Mass of 125 mL flask"
6. Mass of water
22°C
7. Temperature of water
8. Density of water 977
295-15K
81mL 2-88120
1.01 atm
11.597
g
g
g
g
0.089
174.466
94.031
80.435 8
g
9. Volume of water
10. Barometric pressure
11. Vapor pressure of water 0.026 atm
12. Pressure of O₂ gas (show calculations)
1.01-
0.026
of O₂ gas
19.8/769)
0.984 atm.
0-984 atm.
PO₂
Ptotal
PH₂0
13. Gas law constant, R, from ideal gas law (show calculations)
PV
1015L)10.089) (27)
() = 1(81mC
14. R from the van der Waals equation (show calculations)
15. Accepted value of R 0.0821 (source of R value)
Transcribed Image Text:REPORT SHEET Determination of R: The Gas Law Constant 1. Mass of test tube + KCIO3 + MnO₂ 2. Mass of test tube + contents after reaction 3. Mass of oxygen produced 4. Mass of 125 mL flask + water 5. Mass of 125 mL flask" 6. Mass of water 22°C 7. Temperature of water 8. Density of water 977 295-15K 81mL 2-88120 1.01 atm 11.597 g g g g 0.089 174.466 94.031 80.435 8 g 9. Volume of water 10. Barometric pressure 11. Vapor pressure of water 0.026 atm 12. Pressure of O₂ gas (show calculations) 1.01- 0.026 of O₂ gas 19.8/769) 0.984 atm. 0-984 atm. PO₂ Ptotal PH₂0 13. Gas law constant, R, from ideal gas law (show calculations) PV 1015L)10.089) (27) () = 1(81mC 14. R from the van der Waals equation (show calculations) 15. Accepted value of R 0.0821 (source of R value)
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