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Partial Pressure

#### Q. A gaseous mixture of O2 and N2 contains 31.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 705 mmHg? Express your answer numerically in millimeters of mercury.

Solved • Apr 13, 2020

Partial Pressure

#### Q. What is the pressure in a 12.2 L vessel that contains 2.34 g of carbon dioxide gas, 1.73 g of sulfur dioxide gas, and 3.33 g od argon gas at 42 °C? A. 134 torr B. 116 torr C. 263 torr D. 395 torr E. none of these are within 5% of the correct answer

Solved • Apr 8, 2020

Partial Pressure

#### Q. A mixture of hydrogen gas and water vapor has a total pressure of 738 mm Hg. If the partial pressure of water vapor is 17.5 mm Hg, calculate the mole fraction of hydrogen in the mixture. A. 0.0237 B. 0.976 C. 0.100 D. 0.971 E. 0.111

Solved • Apr 8, 2020

Partial Pressure

#### Q. we mix 177 grams of oxygen gas with 154 grams of argon gas in a volume of 1090mL at 2c what will be the final pressure of the gas mixture?

Solved • Apr 11, 2020

Partial Pressure

#### Q. Hydrogen gas, oxygen gas, and water vapor are collected in eudiometer. The eudiometer contains 0.00206 g of hydrogen, 0.0811 g of oxygen, and 0.0151 g of water vapor. The total pressure is 1281.1 mmHg. Calculate the partial pressure (in mmHg) of hydrogen gas

Solved • Apr 9, 2020

Partial Pressure

#### Q. For the decomposition of calcium carbonate, ΔG° = +130.4 kJ at 25°C. CaCO3(s) → CaO(s) + CO2(g) Calculate the partial pressure of CO2 if ΔG = 0.0 kJ. (R = 8.31 × 10−3 kJ/K)

Solved • Apr 8, 2020

Partial Pressure

#### Q. A 19.3-g mixture of oxygen and argon is found to occupy a volume of 16.2 L when measured at 675.9 mmHg and 43.4°C. What is the partial pressure of oxygen in this mixture? A. 401 mmHg B. 338 mmHg C. 274 mmHg D. 437 mmHg E. 239 mmHg

Solved • Apr 8, 2020