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a if a gammow bag is pressurized to 14atm above atmospheric pressure at an altitude of 25000 ft where atmospheric
compute the mass of urea that must be dissolved in 217g of water at 35 degrees celsius to produce a solution with a
explain how many grams of benzene c6h6 can be melted with 162 kj of heat energy the molar heat of fusion of benzene is
you require to prepare a 100mm acetate buffer a ph of 55 use the henderson-hasselblach equation to compute the number
the concentration of cholesterol glucose and urea in the blood as of a fasting individual are listed below in units of
if you mix 50ml of each of the above solutions with 300ml of water explain what is the concentration of each new
the concentration of cholesterol glucose and urea in the blood from a fasting individual are listed below in units of
discuss how daltons atomic theory defines the law of definite proportions as well as the law of multiple proportion by
several compounds containing merely sulfur s and fluorine f are known three of them have the subsequent compositionsi
consider 1000-g samples of two different compounds consisting merely of carbon and oxygen one compound contains 284 g
an electron in a hydrogen atom makes a transition from n 2 to n 6 which involves a photon of light is the photon
a circular pool of diameter 150m is filled to a depth of 5000cm explain what is the volume of water in the pool in
the earths surface area is 510 108 km2 its crust has an avg thickness of 35km explain what is the volume of the earths
a metal sample weighing 450g as well as at a temperature of 991degrees c was placed in 386g of water in a calorimeter
explain what is the melting point of the hydrazone formed when heptanal reacts with 2
presume that data were collected for 10000 sets of automobile brakes the mileage at which each set had been 80 worn
atmospheric pressure is 100 atm however air is only composed of 210 by moles oxygen therefore the partial pressure of
for each compound depict an appropriate lewis structure find out the geometry using vsepr theory find out whether the
a 008527g sample of gas occupies 100-ml at 2890 k and 110 atm upon further analysis the compound is found to be 13068 c
compare cross-sections of the direct ionization by electron impact computed using different modifications of the
explain why does dichromate cr2o72- have seven oxygen atoms whereas chromate cro42- have only 4 shouldnt dichromate
explain why oxalate c2o42 is named this way it follow what nomenclature rules its the same thing as
explain how many grams of which reactant remains after the reaction of 150 g of mno2 869 gmol as well as 300 g of hcl
a gas cylinder contains 370 grams of o2 gas at 30atm and 25c explain what mass of o2 gas would excape if first the
a 10-l vessel containing 800 grams of o2 is connected by means of a valve to a 5-l vessel containing 700 grams of n2