Calculate the new volume of 3 mol CO2 gas if a 20.0 g carbon dioxide gas will occupy the same 25 L container at 25 oC and 1.25 atm.

Q: Calculate the number of moles and the mass of gas in 3.40 L of He at STP.

A: First using the ideal gas equation, the moles of He is calculated. The ideal gas equation is PV=nRT.…

Q: PV₁ = P₂V₂ 4. 350 mL of a gas is at a pressure of 780 mm Hg. What volume does it occupy if its…

A: Given,  350 mL of a gas is at a pressure of 780 mm Hg. The volume does it occupy if its pressure…

Q: A gas occupying a volume of 689.0 mL at a pressure of 0.852 atm is allowed to expand at constant…

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Q: At 8°C a 1.0-L flask contains 1.0 x 10-2 mole of N2, 4.0 x 102 mg O2, and 4.7 x 1021 molecules of…

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Q: 0.879 mol sample of xenon gas at a temperature of 23.0 °C is found to occupy a volume of 23.8…

A: By ideal gas law we have PV= nRT ,Where P is pressure , V= volume R=8.314 J/mol K, T is temprature .…

Q: Determine the number of moles of gas that is contained in a 12.0 L tank at 34 oC and 120 atm. (R=…

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Q: A student performs an experiment like the one you saw in Experiment 8.  The student determines the…

A: Given,  Pressure of oxygen is 0.7811 atm Volume of oxygen is 217 ml = 0.217 L Temperature = 298.15 K…

Q: A 5.00 liters mixture of N₂ gas and O₂ gas has a total pressure of 38.6 atm at 25.0 °C. If the mole…

A: Given, Total volume = 5 liters  Total pressure = 38.6 atm  Mole fraction of O2 = 0.700 molar mass of…

Q: CO2 gas with a volume of 25.0L was collected at 25 degrees Celsius and 0.982 atm. Calculate the…

A: The Pressure at 0.15 L of Volume and 350 deg C temperature is 344.91 atm

Q: A gas has a volume of 240.0 mL at 25.0°C and 600.0 mmHg. Calculate its volume at 0.00°C and 760 mm…

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Q: A sample of methane gas that has a volumer of 3.8L at 5oC is heated to 86oC at constant pressure.…

A: The new volume of methane gas (3.8L) heated from 5oC to 86oC at constant pressure is to be…

Q: 0.638 mol sample of xenon gas at a temperature of 25.0 °C is found to occupy a volume of 22.6…

A: number of moles = 0.638 mol Volume = 22.6 L Temperature = 25.0 °C = 298 K Gas constant , R =…

Q: 7. If a compressed air cylinder for scuba diving contains 6.0 L of gas at 18°C and 200 atm pressure,…

A: 7)   P1V1 / T1 = P2V2 / T2        200 × 6 / 291 = 1× V / 298       V = 1228.87 L

Q: A flexible container at an initial volume of 6.13 L6.13 L contains 4.51 mol4.51 mol of gas. More gas…

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Q: sealed container holds 5.0 L of a gas. How many moles of gas is in this container at STP?

A: At S.T.P any gas occupies 22.4 litre of volume.

Q: A flexible container at an initial volume of 6.13 L contains 4.51 mol of gas. More gas is then added…

A: Given that : Initial volume (V1) = 6.13 L Moles of gas (n1) = 4.51 mol Final volume (V2) = 12.7 L…

Q: What volume (in mL) will 0.500 moles of helium gas occupy at 1.2 atm and 32˚C? Use the accepted…

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Q: A gas occupies 1.87 L of volume, exerts 311 mm Hg of pressure, and is at 27.0oC.  If the conditions…

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Q: At a temperature of 358 K, a sample of He gas has a pressure of 1.19 atm and a volume of 82.2 mL.…

A: Given: The pressure of He gas = 1.19 atm The temperature of the gas = 385 K The volume of the gas =…

Q: What is the volume of a gas in mL at 2.19 atm and 543 K, if it occupies 874 mL at 1.25 atm and 692…

A: Any gas is described by using four terms namely pressure, volume, temperature and the amount of gas.…

Q: What is the pressure of CO2 Gas that has a mass of 5.68g with a volume of 966mL. The gas has a…

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Q: Assume 5.00 mol of N2 gas is confined in a 10.0 L container at 523 K. Calculate the pressure of the…

A: Ideal gas equation =  PV = nRT  P is pressure V is volume  n = no. Of moles  R = 8.314 kPa L/molK…

Q: A dentist has a 15.00 L cylinder of "laughing gas", N2O, at 10.0 atm and 25 oC. What mass of gas is…

A: GivenVolume of gasv=15.00Lpressure(p)=10.0 atmTemperature(T)=25°C=273+25T=298uMass of gass=?

Q: How many moles of gas occupy 120 L under a pressure of 2.3 atm and a temperature of 340 K? R 62.39 L…

A: Ideal gas equation is the equation which obeys gas laws under all conditions of temperature and…

Q: How many grams of nitrogen gas (N2) are in a balloon with a volume of 35.7 L at STP? (1 mole of gas…

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Q: An evacuated 63.8 ml glass bulb is filled with a gas at 22°C at 747 mmHg. The mass of the gas is…

A: Given:

Q: 27. How many moles of gas are contained in a scuba diver's 12.6- L tank filled with 3422 psi of air…

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Q: gas occupies 340.6 mL under a pressure of 0.515 atm.  The volume is decreased to 276.6 mL.  The…

A: Ideal ga equation PV =nRT Where P=Pressure  V=volume N=no of moles  T=temerature       n ,R,T…

Q: A sample of neon gas collected at a pressure of 0.673 atm and a temperature of 7.00 °C is found to…

A: The behaviour of general gases can be well explained by the ideal gas equation, PV= nRT. Though it…

Q: How many moles of gas are contained in 4,322 mL at 15°C and 939.9 mm Hg pressure?

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Q: P₁V₁ = P₂V₂ 2. A gas occupies a volume of 1.6 L under a pressure of 1 atm. What will its volume be…

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Q: A metal can with a pressure of 128 kPa (kiloPascals) contains 24.8 g Neon (Ne) gas at a temperature…

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Q: sample of gas with a volume of 30.0 mL at 25.0°C is heated to 50.0°C. What is the new volume of the…

A: We know about the ideal gas, PV = nRT  V ( volume) is directly proportional to the T ( temperature)…

Q: A mixture of helium and argon gases is maintained in a 9.62 L flask at a pressure of 3.08 atm and a…

A: Given, Volume of flask = 9.62 L Pressure = 3.08 atm Temperature = 56°C = 56+273 = 329K Mass of He…

Q: Calculate the number of moles of a gas that occupies a volume of  15.9 L at -23oC and 0.52 atm.

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

Q: A mixture of xenon and neon gases, at a total pressure of 920 mm Hg, contains 20.2 grams of xenon…

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Q: A gas occupies 4.4 L at 7.4 atm.  What is the volume at 1.9 atm?

A: Given: The initial volume of the gas = 4.4 L The initial pressure of the gas = 7.4 atm We have to…

Q: A flexible container at an initial volume of 4.11 L contains 9.51 mol of gas. More gas is then added…

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Q: What is the volume of 0.260 mol of carbon dioxide gas at STP? 333 L 5.82 L 2.96 L 170. L

A: Volume at stp is equal to mole multiply by standard volume (22.4L)

Q: How many moles are in a gas sample that occupies 0.500 L at 0.2237 atm and 25oC? R = 0.0821 (L…

A: Given : Volume of gas = 0.500 L Temperature of gas = 25 oC Pressure of gas = 0.2237 atm

Q: A sample of a gas has a mass of 2.73 g and occupies 3.00 L at 122 oC and 4.00 atm. What is the…

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Q: The ratio of H2 gas to O2 gas will always remain 2:1, and the ratio of H gas to H,0 gas will remain…

A: The ratio of H2 and O2 is 2 :1,so  the volume of O2 will be half than the volume of H2, here given…

Q: . Calculate the new volume of 3 mol CO2 gas if a 20.0 g carbon dioxide gas will occupy the same 25 L…

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Q: The volume of a gas at STP is 488. mL, Calculate its volume at 22.5 atm and 323 K.

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Q: if 1.00 mole of a gas occupies 22.4 L what volume would 0.750 moles occupy under the same pressure…

A: Given :  Initial moles = 1.00 mol  Initial volume = 22.4 L  Final moles = 0.750 mol  To be…

Q: Key units at sea level:   101.325 kPa (kilopascal) = 1 atm = 760 mm Hg = 14.7 psi   R = 0.08206…

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Q: A gas occupies 100.0 ml at a pressure of 780 mm Hg. What is the volume of the gas when its pressure…

A: d. 89 ml

Q: An 11.2-L sample of gas is determined to contain 0.50 mol N At the sametemperature and pressure, how…

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Q: A 17.3-L sample of gas is determined to contain 0.35 mole of N2. At the same temperature and…

A: Given data: Initial volume (V1) = 17.3 L Initial moles of N2 = 0.35 mol Final volume (V2) = 23 L

Q: 1 At what temperature (in Celcius) does a gas occupy 65.0 mL if the gas occupies 95.0 mL at 145 oC?…

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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.