An Oxygen gas container has a volume of  20.0 L. How many grams of oxygen are there in the container ,if  the gas has a pressure of 845 mm Hg at 22.0oC ?

Q: In a 10.00 L steel container, and at a temperature of 25.0oC, we have 76.0 g of O2(g) and 63.9 g of…

A: Given that:Volume of the container, V = 10.00 LTemperature, T = 25.0oC = 298.15 KThe container…

Q: If the pressure exerted by a gas at 25°C in a volume of 0.057 L is 3.80 atm, how many moles of gas…

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Q: If a sample of O2 gas has a pressure at 15.00 °C of 112,000 Pa, what is its pressure a.In units of…

A: Given that the pressure of oxygen gas at 150C is 112,000 Pa.(a) 1 atm = 101325 Pa1 Pa = 1 / 101325 =…

Q: If 98.5 mol of an ideal gas occupies 29.5L at 37.00 degrees Celsius, what is the pressure of the…

A: According to ideal gas law, PV = nRT where P = pressure in atm V = volume = 29.5 L n = moles of gas…

Q: A mole of gas at 0.00 ºC and 760.0 torr occupies 22.4 L. What is the volume of this gas at 25.0 ºC…

A: The combined gas law expresses the relationship between the pressure, volume, and absolute…

Q: A sample of N2O gas has a density of 2.85 g/L at 298K. What is the pressure of the gas(in mmHg)?

A: Molar mass of N2O (M) is 44.013 g mol-1 Density (d) is 2.85 g L-1 Temperature (T) = 298 K Gas…

Q: What would be the volume of a balloon filled with 6.37 L of H2 gas collected at 1,405 mmHg if the…

A: P1 = 1405 mm Hg P2 = 2374 mm Hg V1 = 6.37 L V2 = ?

Q: If a gas originally occupying 6.75 L at 19.21 ºC and 762.5 torr is compressed to give a pressure of…

A: The given data: The initial volume of the gas = 6.75 L The initial temperature of the gas = 19.21℃…

Q: How many moles of helium gas would be required to fill a 22 L container at a temperature of 35 oC…

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Q: If 7.56 L of a gas are collected at a pressure of 745 mm Hg, then what volume will this gas occupy…

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Q: A hyperbaric chamber has a volume of 200 L. How many grams of O2 are needed to fill the chamber at…

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Q: A sample of xenon gas occupies a volume of 9.01 L at 477 K. If the pressure remains constant, at…

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Q: What is the molecular weight of a gas if 2.21 g of the gas occupies a volume of 1.72 L at 25.0 °C…

A: The ideal gas law relates the volume of a gas at a certain pressure to the amount of gas at that…

Q: If a gas at 25.0°C occupies 2.75 liters at a pressure of 1.04 atm, what will be its volume at a…

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Q: If the pressure exerted by a gas at 100°C in a volume of 8.04 L is 3.81 atm, how many moles of gas…

A: Given , Temperature (T) = 100°C = (100+273)K = 373 K Volume (V) = 8.04 L Pressure (P) = 3.81 atm Gas…

Q: If an unknown quantity of gas is held at a temperature of 789 K in a container with a volume of 28.0…

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Q: What is the density of argon gas at a pressure of 312 mmHg and a temperature of 17 °C?

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Q: A sample of oxygen gas occupies a volume of 2.00 L at 27 o C and 2.00 atm pressure. What volume, in…

A: Convert 2 atm pressure into mmHg.

Q: When 4.67 L of carbon dioxide at 485.6 mmHg and 25.0 ℃ is heated to 475.0 ℃ and converted to 754.2…

A: Given P1 = 485.6 mmHg V1 = 4.67 L T1 = 25°C P2 = 754.2 mmHg V2 = ? T2 = 475°C

Q: A sample of 2.00 mol of gas in a 10.00 L container is at 45.0 °C. What is the pressure of the gas?

A: Real gases are those which do not obey combined gas law and ideal gases are those which obey…

Q: If 4.81 g Ar are added to 4.01 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

A: First Calculate mole of Ar by mass÷molar mass Then Mole of He by PV=nRT. After this for total…

Q: A sample of chlorine gas is confined in a 9.0 L container at 237 torr and 27°C. How many moles of…

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Q: A sample of 140.1 g of a noble gas occupies 40.75 L at 758 mm Hg and 23.0 °C. What is its molar mass

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Q: Given that 3.75 moles of carbon monoxide gas are present in a container of volume 15.30 L, what is…

A: Given, number of moles, n = 3.75 moles Volume of CO, V = 15.30 L Temperature of CO, T = 89°C = 273 +…

Q: If the pressure exerted by a gas at 25°C in a volume of 0.044 L is 3.81 atm, how many moles of gas…

A: The ideal gas equation is given by,                                                         PV = nRT…

Q: When a 222.3 mL sample of nitrogen is kept at a constant temperature of 5.0 °C, it has a pressure of…

A: Given data, Initial volume (V1) = 222.3 mL = 0.2223 L Temperature = 5oC Initial pressure (P1) =…

Q: What is the molar mass of a gas with a density of 2.875 g/L at 760.0 mmHg and 11.00°C?

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Q: How many molecules are there in an ideal gas with a volume of 3.09 L3.09 L at STP?

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Q: A sample of xenon gas occupies a volume of 8.94 L8.94 L at 435 K. If the pressure remains constant,…

A: Initial volume, V1 = 8.94 L Initial temperature, T1 = 435 K Final volume, V2 = 5.76 L Final…

Q: What is the molar mass of a gas that has density 1.40 g/L at 760. mmHg and 273K?

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Q: If 3.20 g of O2 gas occupies a volume of 2.24 L at 0°C and a pressure of 1.00 atm, what volume would…

A: As per Avogadro's law same volume of all gases will contain same moles at constant temperature and…

Q: If a gas occupies 33.0 L at 50.0 ⁰C, what volume will it occupy at 100. ⁰C, assuming the pressure…

A: We know ideal gas equation , PV = nRT  where, P- pressure of gas  V- volume of gas  n- Number of…

Q: If 8.00 g of gas occupies 11.2 L at 20 degrees Celsius and 0.25 atm, what is the molar mass of the…

A: Given data - mass = 8 g. Pressure = P = 0.25 atm. volume = V= 11.2 L = 0.0112 ml. gas constant = R =…

Q: When 10.33 g of neon is combined in a 20 L container at 99.8oC with 8.24 g of argon, what is the…

A: The molar mass of Neon = 20g/mol The molar mass of Argon = 40g/mol  Total Volume = 20L  T = 99.8oC =…

Q: How many moles of N2(g) gas are contained in 3.83 L at 59.0 °C and 852 mmHg?

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Q: A sample of xenon gas occupies a volume of 6.95 L at 493K. If the pressure remains constant , at…

A: The xenon gas sample is given at - Volume, V1 = 6.95 L  Temperature, T1 = 493 K Volume, V2 = 3.77 L…

Q: 3. Calculate the volume of 4.7009 x 10 molecules of NH, gas trapped in a container at a pressure of…

A: Given  Number of molecule = 4.7009 × 1023 molecule  Pressure   = 1460.3 mmHg  760 mmHg = 1 atm…

Q: If 5.0 moles of O2 and 3.0 moles of N2 are placed in a 30.0 L tank at a temperature of 25° C, what…

A: Moles of O2 gas and moles of N2 gas is given and finale volume and temperature is given . Total…

Q: What is the density of a sample of argon gas at 68 ∘C and 837 mmHg?

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Q: At what temperature will 60.0 g fluorine gas take up 4.80 L of space at 6.45 atm pressure?

A: Given: Mass of fluorine gas = 60.0 g Volume of space, V = 4.80 L Pressure of gas, P = 6.45 atm

Q: What mass of helium gas exerts a pressure of 965 mmHg in a volume of 5.40 L at a temperature of…

A: Assuming the gas to be an ideal gas. So according to ideal gas law, PV = nRT where, P = pressure of…

Q: What is the pressure of N2 (g)  in Torr if 0.582 atm of O2 (g) and  965Torr of He(g)  are mixed with…

A: Given , Total pressure = 2250 mmHg Since , 1 torr = 1mmHg  So, Total pressure  = 2250 torr Partial…

Q: What is the molar mass of a gas, in g/mol, if 286 mL at 69 oC and 17.9 Torr pressure weighs 0.0156…

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Q: If 42.5 g of O2 and 2.8 g of CO2 are placed in a 11.2 L container at 24 °C , what is the pressure of…

A: Given mass of O2 = 42.5 g  mass of CO2 = 2.8 g volume = 11.2 L temperature = 24 °C

Q: 12. What is the molar mass of a gas that has a density of 5.75 g/L at STP?

A: Write the ideal gas equation. PV= nRT where P is the pressure, V is the volume, n is the number of…

Q: If 0.0470 moles of gas is used to fill a 1.20 L balloon at 34.0 o C , what is the gas pressure?

A: Using ideal gas equation PV=nRT , we have calculated the pressure of gas .

Q: what is the pressure of the gas?

A: Given :-  Initial pressure = 0.999 atm   Initial volume = 14.5 L  Final volume = 25.0 L  To…

Q: What is the partial pressure of nitrogen in a container that contains 3.96 mol of oxygen, 7.49 mol…

A: Given, mol of Oxygen (nO2) = 3.96 mol mol of nitrogen (nN2) = 7.49 mol mol of carbon dioxide (nCO2)…

Q: A sample of N2O gas has a density of 2.85 g/L at 298 K. What is the pressure of the gas (in mmHg)?

A: To calculate the pressure of the gas we have the ideal gas law formula, PV = nRT here,  P= pressure…

Q: A 19.50 g sample of a gas occupies a volume of 24.8 L at 22.7ºC and 748.3 mmHg.  What is its…

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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.