Question

In: Chemistry

In a mixture of gases, like air, the gas with the largest mole fraction will have...

In a mixture of gases, like air, the gas with the largest mole fraction will have the -

A) largest molar mass.
B) highest kinetic energy.
C) smallest molar mass.
D) largest number of molecules present.
E) smallest number of molecules present.

Solutions

Expert Solution


Related Solutions

A 2.55 L sample of gas at STP contains hydrogen and oxygen gases. The mole fraction...
A 2.55 L sample of gas at STP contains hydrogen and oxygen gases. The mole fraction of hydrogen is 0.60. When the sample is combusted to form water, calculate the mass of water formed, assuming complete reaction.
1. Determine the mole fraction composition for the following mixture.
  1. Determine the mole fraction composition for the following mixture. The mixture solution is composed of two volatile components:   Solute: pentane (72.0 g/mol)   Solvent: hexane (86.0 g/mol) The vapor pressures are the following:   Solution: 258 torr   Solute Pentane: 425 torr   Solvent Hexane: 151 torr Assume ideal behavior and that the mixture is at room temperature The answer isXpentane = 0.391Xhexane = 0.609 2. A 35.0-g sample of hemogoblin is dissolved in enough water to make 1.00L of solution. The...
Air is a mixture of several gases. The 10 most abundant of these gases are listed...
Air is a mixture of several gases. The 10 most abundant of these gases are listed here along with their mole fractions and molar masses. What mass of carbon dioxide is present in 1.00 m3 of dry air at a temperature of 25 ∘C and a pressure of 647 torr? Component Mole fraction Molar mass (g/mol) Nitrogen 0.78084 28.013 Oxygen 0.20948 31.998 Argon 0.00934 39.948 Carbon dioxide 0.000375 44.0099 Neon 0.00001818 20.183 Helium 0.00000524 4.003 Methane 0.000002 16.043 Krypton 0.00000114...
mixture of 45 mole% n-hexane and 55 mole % n-heptane is subjected to continuous fraction in...
mixture of 45 mole% n-hexane and 55 mole % n-heptane is subjected to continuous fraction in a tray column at 1 atm total pressure. The distillate contains 95% n-hexane and the residue contains 5% n-hexane. The feed is saturated liquid. A reflux ratio of 2.5 is used. The relative volatility of n-hexane in mixture is 2.36. Determine the number of ideal trays required.
1. What is the mole fraction of O2 in a mixture of 5.07 g of O2,...
1. What is the mole fraction of O2 in a mixture of 5.07 g of O2, 7.16 g of N2, and 1.33 g of H2? 2. What is the mole fraction of N2 in a mixture of 5.07 g of O2, 7.16 g of N2, and 1.33 g of H2? 3. What is the mole fraction of H2 in a mixture of 5.07 g of O2, 7.16 g of N2, and 1.33 g of H2? 4. What is the partial...
What is the mole fraction of O2 in a mixture of 15.1 g of O2, 8.19...
What is the mole fraction of O2 in a mixture of 15.1 g of O2, 8.19 g of N2, and 2.47 g of H2? 0.237 SubmitPrevious Answers Correct Part B Part complete What is the mole fraction of N2 in a mixture of 15.1 g of O2, 8.19 g of N2, and 2.47 g of H2? 0.147 SubmitPrevious Answers Correct Part C Part complete What is the mole fraction of H2 in a mixture of 15.1 g of O2, 8.19...
A mixture of gases in a container acts as if it is a single gas unless...
A mixture of gases in a container acts as if it is a single gas unless there is a chemical reaction going on. What does this say about a sample of air? Do we have to measure the properties for the nitrogen portion separately from the oxygen, carbon dioxide, and water vapor portions?
A gas mixture contains 20.0 mole% H2O(v) and 80.0 mole% N2. The gas temperature and absolute...
A gas mixture contains 20.0 mole% H2O(v) and 80.0 mole% N2. The gas temperature and absolute pressure at the start of each of the three parts of this problem are 66°C and 700.0 mm Hg. Ideal gas behavior may be assumed in every part of this problem. a. If some of the gas mixture is put in a cylinder and slowly cooled at constant pressure, at what temperature would the first drop of liquid form? °C b. If a 30.0...
Determine the composition in mole fraction of the following gas. Component Composition Weight Fraction Molecular Weight...
Determine the composition in mole fraction of the following gas. Component Composition Weight Fraction Molecular Weight Mole Fraction Methane 0.880 16.04 ? Ethane 0.043 30.07 ? Propane 0.042 44.10 ? n-Butane 0.035 58.12 ?
A diver breathes a helium and oxygen mixture with an oxygen mole fraction of 0.052. What...
A diver breathes a helium and oxygen mixture with an oxygen mole fraction of 0.052. What must the total pressure be for the partial pressure of oxygen to be 0.22 atm ?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT