While resting, the average 70-kg human consumes 13.78 L of pure O2 per hour at 25.0 °C and 100.0 kPa. How many moles of O2 are consumed by a 70 kg person while resting for 1.0 h? round to the ten thousandths place.

(a) A volume (25.0 L) of gas at 45 K is heated to 450 K. What volume (in L) does the gas now occupy? (b) A volume (50.0 mL) of gas at 400. °C is cooled to 50. °C. What volume (in mL) does the gas now occupy?

What quantity in moles of chlorine gas at 120.0 °C and 33.3 atm would occupy a vessel of 38.0 L?

11. (a) In a 20.0 L steel container, we have only 77.7 g of CO2(g), 66.6 g of N2(g), and O2(g). The temperature is 25.0 ◦C and the total pressure is 8.88 atm. What mass of O2(g) do we have, and what is its partial pressure? The molar masses of C, N, and O are 12.01, 14.01, and 16.00 g/mol. (b)  The density of a sample of pure CH4(g) at a constant pressure of 1.00 atm is 0.666 g/L. What is the average speed, or root mean square speed, of the CH4(g) molecules in this sample? The molar masses of C and H are 12.01 and 1.01 g/mol.

Calculate the total pressure (in atm) of a mixture of 3.00 x 10-2 mol of helium, He, and 7.00 x 10- mol of oxygen, O2, in a 6.00 L flask at 20.°C. Assume ideal gas behavior. Total pressure atm ||

Alka-Seltzer® contains the base sodium hydrogen carbonate, NaHCO3, which reacts with hydrochloric acid in the stomach to yield sodium chloride, carbon dioxide, and water. What volume of CO2 gas at 103.2 kPa and 311 K would be formed when 13.2 mL of 1.0 M HCl is mixed with an excess of NaHCO3?

Calculating partial pressure in a gas mixture GHA 0/5 A 8.00 L tank at 24.9 °C is filled with 9.56 g of boron trifluoride gas and 4.99 g of sulfur tetrafluoride gas. You can assume both gases behave as ideal gases under these conditions. Calculate the mole fraction and partial pressure of each gas, and the total pressure in the tank. Round each of your answers to 3 significant digits. mole fraction: boron trifluoride partial pressure: atm mole fraction: sulfur tetrafluoride partial pressure: atm Total pressure in tank: atm Explanation Check O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Cen 42°F Cloudy ENC DELL

The gas of a certain volcano had the following composition in mole percent: 60.0% CO2, 28.0% H2, 7.40% HCl, 1.80% HF, 2.70% SO2, and 0.100% H2S.  What would be the partial pressure of  HF in atmospheres if the total pressure was 285 mmHg? 1atm = 760mmHg

What quantity in moles of chlorine gas at 120.0 °C and 33.3 atm would Occupy a vessel of 12.0 L?