Chemistry
Chemistry, 23.06.2019 03:00, rayne40

The size (radius) of an oxygen molecule is about 2.0 ×10−10m. make a rough estimate of the pressure at which the finite volume of the molecules should cause noticeable deviations from ideal-gas behavior at ordinary temperatures (t= 300k ). assume that deviatons would be noticeable when volume of the gas per molecule equals the volume of the molecule itself.

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Chemistry, 06.08.2019 02:20, jenm345
The size (radius) of an oxygen molecule is about 2.0 ×10−10m. make a rough estimate of the pressure at which the finite volume of the molecules should cause noticeable deviations from ideal-gas behavior at ordinary temperatures (t= 300k ). assume that deviatons would be noticeable when volume of the gas per molecule equals the volume of the molecule itself.
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Chemistry, 07.08.2019 04:20, corlissquillen13
Asyringe of volume 20 ml has just been used and now lies empty on the doctor's desk. the pressure in the office is 100,000 pa. assume that the air is an ideal gas consisting of nitrogen n2 (80%) and oxygen o2 (20%) molecules. k=1.38×10-23 j/k and the molar mass of oxygen is 32 g/mol. the syringe must be heated to high temperatures to sterilize it. when the syringe is at its maximum temperature, the number of oxygen molecules is 6.5 x 1019 (but the pressure, volume, and percent oxygen remain the same), what is the rms speed of the oxygen molecules?
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Physics, 18.09.2019 03:00, garyperry
You can obtain a rough estimate of the size of a molecule by the following simple experiment. let a droplet of oil spread out on a smooth water surface. the resulting oil slick will be approximately one molecule thick. given an oil droplet of mass of 7.61 × 10−7 kg and density of 912 kg/m3 that spreads out into a circle of radius 43.5 cm on the water surface, estimate the diameter of an oil molecule. answer in units of m. your answer must
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Physics, 23.10.2019 18:30, tiannahines810
The mean free path of an oxygen molecule is 2.0 � 10-5 m, when the gas is at a pressure of 120 pa and a temperature of 275 k. the atomic mass of oxygen is 16.0 g/mol, the boltzmann constant is 1.38 � 10-23 j/k, avogadro's number is 6.02 � 1023 molecules/mole, and the ideal gas constant is j/mol � k = 0.0821 l � atm/mol � k. the radius of an oxygen molecule is closest to 0.28 nm. 0.24 nm. 0.22 nm. 0.26 nm. 0.30 nm.
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