Suppose you are given two 1-L flasks and told that one contains a gas of molar mass 30, the other a gas of molar mass 60, both at the same temperature. The pressure in flask A is X atm, and the mass of gas in the flask is 1.2 g. The pressure in flask B is 0.5X atm, and the mass of gas in the flask is 1.2 g. Which flask contains the gas of  molar mass 30, and which contains the gas of molar mass 60?

Q: A sample of argon gas at a pressure of 0.752 atm and a temperature of 25.8 °C, occupies a volume of…

A: Given data, Initial pressure (P1) = 0.752 atm Initial volume (V1) = 441 mL Final Pressure (P2) =…

Q: A sample of nitrogen gas has a pressure of 56.1 mm Hg in a 500. mL flask. What is the pressure of…

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Q: The pressure of a sample of argon gas was increased from 2.91 atm to 7.75 atm at constant…

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Q: A sample of argon gas at 314 K and 0.966 atm occupies a volume of 2.65 L. If the gas is compressed…

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Q: (CH4) as an ideal gas at temperatures above its boiling point of -161. °C. Suppose the temperature…

A: The Ideal Gas equation is given by,PV = nRTwhere,P= Pressure in atmV = Volume in LT = Temperature in…

Q: A 30-L cylinder contains helium gas at a pressure of 10.3 atm. The hosts of a party use the gas to…

A: According to ideal gas law, PV = nRT where P = pressure V = volume  n = moles R = gas constant T =…

Q: Draw curved arrows to show the movement of the electrons as one (or more) bond breaks and another…

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Q: 4.00 L flask contains 1.40 atm argon at 25°C. a) Calculate the moles of argon gas initially present…

A: We will calculate all parts

Q: A 0.0853 mol sample of an unknown gas contained in a 3.00 L flask is found to have a density of 1.37…

A: Given data :  1. No. Of mole = 0.0853 mol  2. Volume = 3.00 L  3. Density = 1.37 g/L  To calculate :…

Q: A certain mass of nitrogen gas occupies a volume of 1.04 L at a pressure of 8.49 atm. At what…

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Q: partial pressure in torr due to nitrogen?

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Q: mixture

A: When two or more gases are mixed together to form a gaseous mixture, each gas exerts its own…

Q: A certain mass of nitrogen gas occupies a volume of 6.30 L at a pressure of 8.36 atm. At what…

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Q: Consider a 1.53-L sample of gaseous SO2 at a pressure of 5.6 x 103Pa. If the pressure is changed to…

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Q: 10.546 g of a sample containing a mixture of NaHCO3 and Ca(HCO3)2 is mixed with an excess of HCI to…

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Q: 14)a) A sample of neon gas occupies a volume of 50.00L at 27.00C and 10.0 atm. How many moles of…

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Q: Amides may be prepared by the reaction of a carboxylic acid with ammonia or a(n). A) aldehyde B)…

A: Given: Formation of amides are possible with using carboxylic acid with ammonia or one another…

Q: 9. Within a balloon, there are three types of gases. The first gas, NH, is 5.7 the second gas, CH.,…

A: First we will calculate mole fraction of each gas , and then by multiplying it with total pressure…

Q: At 1.35 atm and 5.91 °C, a 4.04 g sample of gas occupies a volume of 2060 mL. Calculate the molar…

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Q: A cylinder containing 15.0 L of helium gas at a pressure of 165 atm is to be used to fill party…

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Q: A typical barometric pressure in Denver, Colorado, is 610.2 mm Hg. What is this pressure in…

A: In order to convert the pressure from millimeters of mercury (mm Hg) to atmospheres (atm), we need…

Q: e identity of the gas?

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Q: A sample of argon gas occupies a volume of 7.85 L at 47.0°C and 1.20 atm. If it is desired to…

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Q: The pressure of a sample of argon gas was increased from 1.73 atm to 6.57 atm at constant…

A: Given data is as follows: The initial pressure of the gas P1= 1.73 atm The final pressure of the gas…

Q: 4. A light bulb contains 0.0560 g of Argon gas with a pressure of 1.34 atm at 26.0 °C. The light…

A: Ideal gas equation can be used to calculate P, V, T and number of moles of ideal gas:    P×V=n×R×T…

Q: 7. Calculate the partial pressure of helium in a 1.00-L flask that contains equal numbers of moles…

A: We have to calculate the partial pressure of helium.

Q: For many purposes we can treat propane (C3Hg). as an ideal gas at temperatures above its boiling…

A: Ideal gas equation is  PV = nRT  Where P is pressure V is volume n is no. Of moles  R is gas…

Q: In a mixture of helium, oxygen, and methane in a 2.00 L container, the partial pressures of helium…

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Q: A 1.65 g sample of an unknown gas at 55 °C and 1.00 atm is stored in a 2.45 L flask. What is the…

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Q: An ideal gas is allowed to expand from 8.80 L to 48.4 L at constant temperature. By what factor…

A: Given: An ideal gas is allowed to expand from:            V1 = 8.80 L to  V2 = 48.4 L at constant…

Q: A mixture of methane and oxygen gases is maintained in a 6.75 L flask at a temperature of 13°C. If…

A: The total pressure exerted by a mixture of gases on the container is equal to the sum of partial…

Q: A 275-mL flask contains pure helium at a pressure of 0.989 atm. A second flask with a volume of…

A: Given,  First flask, Volume of Helium ( He) gas = 275 mL.  Partial pressure = 0.989 atm.  Second…

Q: 2. Equal molar quantities of two gasses of molecular weight 4 and 40 are mixed. The pressure of the…

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Q: The total pressure of a nitrox II gas mixture for scuba diving is 2.432 atm. If the oxygen in the…

A: Given, Total pressure of a nitrox II gas mixture = 2.432 atm. Partial pressure of oxygen gas = 570…

Q: At 535 mm Hg and 58.4 °C, a sample of carbon monoxide gas occupies a volume of 0.415 L. The gas is…

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Q: A sample of hydrogen gas occupies a volume of 8.58 L at 48.0°C and 0.540 atm. If it is desired to…

A: Initial volume (V1) = 8.58 L Initial temperature (T1) = 48.0°C Initial Pressure (P1) = 0.549 atm…

Q: A mixture of xenon and hydrogen gases at a total pressure of 965 mm Hg contains xenon at a partial…

A: Given-> Total pressure (P) = 965 mmHg Partial pressure of xenon (Xxe) = 313 mmHg Weight of Xe =…

Q: If the initial temperature of an ideal gas at 2.250 atm is 62.00 °C, what final temperature would…

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Q: A Mixture of helium, nitrogen and oxygen has a total pressure of 750 mmHg. The partial pressure of…

A: given: Mixture of Helium, nitrogen oxygen has pressure 750 mmHg He + N2 + O2 = 750 mmHg partial…

Q: A sample of xenon gas at a pressure of 0.806 atm and a temperature of 27.7 °C, occupies a volume of…

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Q: A 1.52 g sample of CO₂ is contained in a 538 mL flask at 24.1 °C. What is the pressure of the gas?…

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Q: Dinitrogen difluoride gas is collected at 1.0 °C in an evacuated flask with a measured volume of…

A: Given, Volume(V) = 15.0 L  Temperature(T) = 1.0 °C = (1.0 + 273)K = 274 K Pressure(P) = 0.410 atm  R…

Q: .  If 10.0 L of neon gas exerts a pressure of 25.0 atm at 50oC, how many moles of neon are present

A: For ideal gas we know that PV = n RT  Where, at pressure P and temperature T  ,volume  of n mol of a…

Q: sample of xenon gas at a pressure of 0.577 atm and a temperature of 23.9 °C, occupies a volume of…

A: At constant Temperature,  Using Boyle's law,  P1V1 = P2V2  0.577 × 12.6 = P2 × 19.4 P2 = 0.375 atm

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.