The rms speed of the molecules of a gas at 135°C is 221 m/s. Calculate the mass of a single molecule in the gas. |kg molecular mass: 0.2084

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: Sulfur tetrafluoride gas is collected at -8.0 °C in an evacuated flask with a measured volume of…

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Q: The density of a gas is 1.49 g/L at a temperature of 24 ∘C and a pressure of 0.789 atm. Calculate…

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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: A mixture of calcium carbonate, CaCO3, and barium carbonate, BaCO3, weighing 5.40 g reacts fully…

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Q: Helium is collected over water at 25°C and 1.00 atm total pressure. What total volume of gas must be…

A: Given:Total pressure 1atm = 760 torr.Temperature = 25°C = 273.15 K + 25 = 298.15KMass of Helium =…

Q: Calculate the difference in the two average speeds at 33 C.

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Q: Determine the mass, in grams, of a sample of gas that occupies 668.9 milliliters, at a pressure of…

A: The objective of the question is to calculate mass of the sample of gas.

Q: One of the factors that influences the behavior of a gas sample is pressure. Pressure can be…

A: Answer is explained below.

Q: Arsenic (III) sulfide is reacted with oxygen gas to form arsenic (III) oxide and sulfur dioxide.…

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Q: Dinitrogen monoxide gas is collected at 32.0 °C in an evacuated flask with a measured volume of 45.0…

A: Given that:The temperature at which the dinitrogen monoxide gas is collected in the evacuated flask…

Q: The density of a gas is 1.43 g/L at a temperature of 23 degrees Celsius and a pressure of 0.789 atm.…

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Q: The density of 1.00 mol of an unknown gas at a temperature of -71oC and a pressure of 2,359 torr is…

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Q: The graph shows the molecular speed of four gases at 27 °C. What, if any, relationship is observed…

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Q: Chlorine pentafluoride gas is collected at 9.0°C in an evacuated flask with a measured volume of…

A: Given :-  pressure of gas = 0.410 atm  volume occupied by gas = 5.0 L  temperature = 9.0°C  To…

Q: Carbon dioxide gas is collected at −6.0°C in an evacuated flask with a measured volume of 5.0L. When…

A: Given :- pressure = 0.370 atm  Volume = 5.0 L  Temperature = -6.0°C  To calculate :-  Number of…

Q: sample of gas has a mass of 38.9 mg. Its volume is 226 mL at a temperature of 57 ∘C and a pressure…

A: Assuming the gas to be an ideal gas, ideal gas equation will be used to calculate the molar mass of…

Q: A cylinder is filled with 10.0 L of gas and a piston is put into it. The initial pressure of the gas…

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Q: A closed vessel of fixed volume contains 20.0 g of CO2(g) exerting a pressure of 2.25 atm. Some…

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Q: sample of helium gas at a pressure of 640. torr and a temperature of 29.9°C, occupies a volume of…

A: The question is based on the concept of Boyle's law.   it states that for a given amount of gas , at…

Q: nly of carbon and fluorine is 5.61 g/L at 22 Celcius and 748 Torr. If the gas is 17.40% carbon, find…

A: Ideal gas is the hypothetical gas which consists of the many randomly moving particle. Any gas is…

Q: Because it is difficult to measure the mass of a sample of a helium, a student transferred the…

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Q: A particular gaseous hydrocarbon has a density of 2.33g/L at 23oC and 746mmHg.  Calculate the molar…

A: Introduction:- the molar mass of the gas can be find by using ideal gas equation which is as- P×V…

Q: Dinitrogen monoxide gas is collected at 11.0 °C in an evacuated flask with a measured volume of 15.0…

A: The pressure of dinitrogen monoxide gas, P=0.080 atm The volume of gas, V=15.0 L Temperature,…

Q: A mixture of neon and argon gases is maintained in a 7.63 L flask at a pressure of 3.55 atm and a…

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Q: Chlorine pentafluoride gas is collected at -17.0 °C in an evacuated flask with a measured volume of…

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Q: A sample of helium gas at a pressure of 673 torr and a temperature of 24.8 celcius , occupies a…

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Q: The pressure in the system is changed by adding or removing identical weights on the plunger. The…

A: Boyle's law states that the volume of the ideal gas decreases as the pressure acting on the gas is…

Q: /hat is the density of ammonia gas, NH3, at 33°C and 753 mmHg? Obtain the density in grams pe ensity…

A: Given: Temperature = 33°C Pressure = 753 mmHg

Q: A gas sample occupies a volume of 1.264 L when the temperature is 168.0°C and the pressure is 946.6…

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Q: A 251-mL sample of a gas at STP is heated to 45°C. The final pressure is 1.86 atm. Calculate the…

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Q: A sample of unknown gas effuses in 74.1 minutes. An equal volume of argon in the same apparatus at…

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Q: A gas mixture with a total pressure of 765 mmHg contains each of the following gases at the…

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Q: 1. Calculate the density of oxygen, O2, under each of the following conditions: STP 1.00 atmatm and…

A: The objective of the first part of the question is to calculate the density of oxygen under two…

Q: 4.00 g of hydrogen peroxide (MM = 34.02 g/mol) is placed in a sealed 252 mL container at 504 K. What…

A: Given data,Mass of H2O2=4.00gVolume=252mL=0.252LTemperature=504K

Q: Dinitrogen difluoride gas is collected at 5.0 °C in an evacuated flask with a measured volume of…

A: Given: Volume= 40.0 L Pressure= 0.070 atm Temperature= 5.0oC= 278.15 K

Q: A container initially holds 0.385 moles of a particular gas with an initial volume of 1.78 L. If the…

A: Using avogadro s law we can calculate the final volume of the gas .

Q: A mixture contains O2 at 700. torr pressure, F2 at 600. torr pressure, and Cl2 at 400. torr…

A: The answer is given as follows

Q: Chlorine pentafluoride gas is collected at 7.0 °C in an evacuated flask with a measured volume of…

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Q: A sample of helium gas at a pressure of 604 torr and a temperature of 23.6°C, occupies a volume of…

A: Given : P1 = 604 torr   P2 = 903 torr T1 = 23.6 °C     T2 = T1 V1 = 817 ml We know, at constant…

Q: The average molecular speed in a sample of AR gas at a certain temperature is 432 m/s. The average…

A: Average speed is related to temperature ( T )  and molar mass of the gas ( M ) by the expression

Q: The density of 1.00 mol of an unknown gas at a temperature of -76oC and a pressure of 2,387 torr is…

A: Assuming the ideal gas behaviour, The ideal gas law is PV = nRT P = (n/V) RT P = (m/MV)RT  Where, M…

Q: A sample of gas has a mass of 0.565  g g . Its volume is 115  mL mL at a temperature of 86  ∘C ∘C…

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Q: A gas sample collected at 35.0°C and a pressure of 710 torr has a volume of 200 mL. The temperature…

A: By using the gas law below we can calculate the new pressure. V1P1T2=V2P2T1V1=initial…