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Question 6 2 pts What is the mole fraction of O2 in a mixture of 4.08...
A gas mixture consists of N2, O2, and Ne, where the mole fraction of N2 is 0.55 and the mole fraction of Ne is 0.25. If the mixture is at STP in a 5.0 L container, how many molecules of O2 are present?
7-A gas mixture consists of N2, O2, and Ne, where the mole fraction of N2 is 0.50 and the mole fraction of Ne is 0.20 If the mixture is at STP in a 3.0 L container, how many molecules of O2 are present? 8-Calculate the density of Freon-12, CF2Cl2, at 37.0°C and 0.369 atm. 9-Determine the final temperature of a gold nugget (mass= 256 g) that starts at 378 K and loses 5.37 kJ of heat to snowbank when it...
A gas mixture contains 0.165 mol C2H6(g) and 0.233 mol O2(g). What is the mole fraction of O2(g) in the mixture
A gas mixture consists of 6.4 % mole CO2, 0.2 % mole O2, 40 % mole CO, 50.8 % mole H2, and the other component is N2. The mixture is burned with 40% excess air whose relative humidity at 25 °C is 60%. The combustion converts CO into CO2 and H2 into H2O. What is the composition of the flue gas?
Mole fraction of O2 = 571 Correct The mole fraction is the ratio of the number of moles of a given component in a mixture to the total number of moles in the mixture. The mole fractions can be represented in terms of pressures The total pressure PTOTAL = 0.180 atm +0.240 atm = 0.420 atm The mole fraction of CH4 in the mixture PCH 0.180 atm 0.420 atm = 0.429 PTOTAL Since it is the mixture of two gases,...
In a right pressure vessel, a mixture was prepared with only CH4 (g) and O2 (g). The mole fraction of the CH4 g was initially 0.50. A spark then initiated combustion to CO2 (g) and H2O (g). What is the mole fraction of CO2 (g) in the pressured vessel after combustion? Assume H2O remains in the gaseous phase.
You have a mixture of the gases Cl2 and O2 along with some N2 in a container at STP. The moles of Cl2 and O2 in the mixture are equivalent and the density of the mixture is 1.951 g/L. Assuming ideal behavior, what is the mole fraction of N2 in the mixture?
65. A gas mixture contains 1.25 g N2 and 0.85 g O2 in a 1.55 L con- tainer at 18 °C. Calculate the mole fraction and partial pressure of each component in the gas mixture. 67. The hydrogen gas formed in a chemical reaction is collected over water at 30.0°C at a total pressure of 732 mmHg. What is the partial pressure of the hydrogen gas collected in this way? If the total volume of gas collected is 722 mL,...
A gas mixture contains 12.2 g of N2,5.00 g of H2, and 7.10 g of CH4. What is the mole fraction of CH, in the mixture?
A gas mixture contains 9.60 g of N2, 2.80 g of H2 and 13.8 g of CH4. What is thr mole fraction of H2 in the mixture? A gas mixture contains 14.0 g of N2, 2.40 g of H2 and 19.4 g of CH4. What is the mole fraction of CH4 in the mixture?