The compressibility factor Z = PV/nRT for O2 at -27.1°C and 537.1 atm is 1.50; at 147.4°C and 95.5 atm, it is 1.02. A certain mass of oxygen occupied a volume of 3.28 L at 147.4°C and 95.5 atm. Calculate the volume occupied by the same quantity of oxygen at -27.1°C and 537.1 atm

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Q: Calculate the density of nitrogen dioxide gas at 765 Torr and 20oC. (d=gL^-1)

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Q: (2) A 250 mL container of gas is at 150°C. At what temperature will the gas occupy a volume of 125…

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Q: 1. A sample of gas weighs 3.10 g and occupies a volume of 1,272 mL at 30 °C and 720 mm Hg. What is…

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A: Since, the given gas is an ideal gas. We can apply Ideal gas equation to this case:PV=nRTP= 1 barV=…

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Q: rms speed: m/s What is the rms speed of He atoms at 365 K? rms speed: m/s

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Q: The volume of 3.3mol of ideal gas is 45.7L at 350K. Calculate its pressure (in atmospheres).

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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.