A sample of Rothium (Ro) gas effuses at approximately half the speed of methane gas (CH4). What is the molar mass of Rothium?(Note: Rothium is a made up element.

Q: If 45.5 g  of O2 and 2.1 g  of CO2 are placed in a 11.1 L  container at 34 oC , what is the pressure…

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Q: The average molecular speed in a sample of  o2 gas at a certain temperature is 448 m/s. The average…

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Q: A mixture of nitrogen and xenon gases, at a total pressure of 897 mm Hg, contains 3.22 grams of…

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Q: The average molecular speed in a sample of CH4 gas at a certain temperature is 643 m/s. The average…

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Q: 0.8 g of a gas fills up a flask of 850 mL at 183.5 torr and 30˚C. The empirical formula of the gas…

A: The expression of ideal gas law is shown below: PV = nRT Where, P = pressure of the ideal gas V =…

Q: If 42.0 g  of O2 and 6.6 g  of CO2 are placed in a 5.6 L  container at 20 oC , what is the pressure…

A: Dalton's law: Dalton's law of partial pressures states that in a mixture of non-reacting gases, the…

Q: A 1.00-L gas sample at 100.°C and 500. torr contains 47.0% helium and 53.0% xenon by mass. What are…

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Q: Two samples of gas are separated in two rectangular 1.00 -L chambers by a thin metal wall. One…

A: Given: Volume = 1.00 L = 0.001 m3 Temperature =27oC = 27+273K = 300 K Pressure= 2.00 x 10-6 atm…

Q: A balloon is filled with a mixture of 1.18 g of carbon dioxide (44.01 g/mol) and 1.24 g of oxygen…

A: The molar mass of Cabon Dioxide =  44.01 g/mol The molar mass of Oxygen = 32.00 g/mol V = 1.17L  T =…

Q: What volume in liters does 0.135 g of O2 occupy at 23.0 Celsius and 732 torr? Assume the standard…

A: The detailed solution is given in the following steps

Q: The average molecular speed in a sample of CH4 gas at a certain temperature is 694 m/s. The average…

A: We know average velocity of a gas at absolute temperature T isVavg=8RTπMwhere M is molecular mass…

Q: Consider the arrangement of bulbs shown in the drawing. Each of the bulbs contains a volume of gas…

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Q: The mass of an evacuated 260 mL flask is 143.217 g. The mass of the flask filled with 268 torr of an…

A: The objective of this question is to calculate the molar mass of an unknown gas given the mass of an…

Q: A sample of argon measuring 3.00 L at 27.0°C and 765 torr was bubbled through and collected over…

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Q: A 280 mL flask contains pure helium at a pressure of 747 torr. A second 470 mL flask contains pure…

A: Given data, Volume of pure helium = 280 mL Pressure of pure helium = 747 torr Volume of pure argon =…

Q: molecule of helium effuses with a RMS speed of 1579 m/s. At the same temperature, an unknown gas…

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Q: What is the pressure of the sample of gas trapped in the open-end mercury manometer shown between if…

A: A manometer is used to measure the pressure of a gas. The manometer is of two types, both of which…

Q: A 22.0-gram sample of impure sodium chlorate was heated until decomposition was complete. The…

A: mass percent of any compound in the sample is the ratio of the the mass of that compound to the…

Q: At what temperature does the rms speed of O2 molecules equal 475. m/s?

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Q: A mixture contains O2 at 700. torr pressure, F2 at 900. torr pressure, and Cl2 at 400. torr…

A: Given that, Pressure of O2=700 torr pressure of F2=900 torr pressure of Cl2=400torr then,

Q: A weather balloon is launched and attains a height of 120,000 feet before bursting. At the moment…

A: Boyle’s law is a gas law which states that the pressure exerted by a gas (of a given mass, kept at a…

Q: partial pressure

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Q: Draw a depiction of a gas sample, as described by kinetic molecular theory, containing equal molar…

A: "Kinetic Theory of Gases," expresses that the present gaseous particles taking fixed velocity tend…

Q: The rate of effusion of sulfur dioxide through a hole is 4.48 ml per second. What is the molar mass…

A: The rate of effusion of the gas and the molar mass of gas are inversely related that mean lower the…

Q: In an experiment the rate of effusion of a sample of argon is determined to be 1.50 L/min.  Under…

A: According to Graham's law of diffusion or effusion, rate of diffusion or effusion of gas is…

Q: A 2.135g sample of a gaseous chlorofluorocarbon occupies a volume of 315.5 mL at 739.2 torr and…

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Q: Three glass bulbs, joined by closed stopcocks, have the following volumes and initial pressures of…

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Q: A sample of krypton gas occupies a volume of 6.80 L at 65.0°C and 390. torr. If the volume of the…

A: Given  Initial Pressure (P1)  =390 torr Initial Temperature (T1)  = 65 ℃…

Q: A sample of O2 gas was collected over water at 23ºC and 443 torr. What is the partial pressure of…

A: Given: The pressure of O2 gas collected over water at 23 oC = 443 torr. The vapor pressure of water…

Q: A sample of neon gas occupies a volume of 8.35 L at 54.0°C and 373 torr. If the volume of the gas…

A: Given: P1 = 373torr V1 = 8.35 L T1 = 54o C = 54.0 + 273.15 = 327K P2 = ? V2 = 11.2 L T2 = 4  C = 4…

Q: Initially 4.00 L NO at 0.500 atm and 2.00 L O2 at 1.00 atm are in different bulbs separated by a…

A: partial pressure of NO2 is 0.333 atmExplanation:Given data:For NO: P=0.5 atm, V = 4LFor O2: P=1 atm,…

Q: The rate at which argon, (Ar) effuses through pinhole is 4.5 ml/min. At what rate will the hydrogen…

A: Relation between rate of effusion and molar mass of gases: R2/R1 = (M1/M2)1/2 Where,  R1 =  rate of…

Q: The average molecular speed in a sample of SO2 gas at a certain temperature is 312 m/s. The average…

A: Given, average molecular speed of SO2 gas is ---- 312 m/s. What is the average molecular speed of Kr…

Q: A sample of Ne at 550 torr and 25°C is placed in an evacuated 5.0 L flask. The gas sample is heated…

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Q: A mixture of krypton and helium gases at a total pressure of 738 mm Hg contains krypton at a partial…

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Q: 62.0 g of nitrogen at 100oC is in a 155.0 L container. How much nitrogen, in grams, must be removed…

A: Answer is explained below.

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.