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question nitrogen gas n2 m 28u at room temperature 300k and atmospheric pressure has a density of 125kgm-3 the
question a 3 l vessel 1 l 10-3 m3 contains 16 g of o2 gas at a pressure of 4atma how many moles of o2 are contained in
question consider the following table of measurements of pressure vs volume for air in a closed volume at room
question suppose n2 molecules are known to have an rms velocity of 500ms-1 what would be the rms velocity of hydrogen
question describe loschmidts method for estimating the radius of an air molecule show how to use his results to
question if in the previous question you raise the temperature of the gas from 300k to 600ka by how much does the
question compare the mean free path of nitrogen at stp with its molecular radius what is the mean free path measured in
question at -260 c the density of solid hydrogen is 00763 g cm-3a what is the radius of a hydrogen molecule estimated
question ultrahigh vacuum is considered to be around 10-11 torr what is the mean free path of a molecule in such a
question the us national institute of standards and technology nist defines stp to be 20 c and 101325 kpa calculate the
question hydrogen and helium atoms near the surface of the sun are at a temperature of about 6000k what is the average
question light from a gas-filled discharge lamp is analyzed by a spectrometer using a diffraction grating with 10 000
question a battery is a chemical cell in which electrolysis occurs spontaneously faraday formed a battery from zinc zn
question michael faraday was a consummate experimentalist in his earliest studies of electrolysis he used the volume of
question in a laboratory electrolysis experiment 40ml of n2 gas and 60ml of o2 gas are liberated at the cathode and
question in an electrolysis experiment a current of 05 amperes flowing for 20 min 1200s liberates 696ml of gas at the
question a if 1 liter of oxygen gas at 0 c and 101kpa pressure contains 27times 1022 molecules how many molecules are
question a quantity of oxygen gas is contained in a vessel of volume v 1m3 at a temperature of t 300k and a pressure
question the weight of air produces earths atmospheric pressurea what is the mass of a column of air 1cm2 in cross
question suppose you have two different ideal gases one with a mass of 29 g per mole and the other with a mass of 17 g
question certain volumes of nitrogen gas and hydrogen gas react to form 4l of ammonia gas according to the reaction
question the chemical reaction for making nitrogen dioxide is given by2o2 n2 rarr 2no2suppose we combine nitrogen and