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in the following reaction 458 l of o2 were formed at 0980 atm and 308 k how many grams of ag2o must have decomposed 2
determine the molar mass of each of the following gases a 082g of a gas that occupies 470ml at 0c and 100 atm stp b
atmospheric pressure arises due to the force exerted by the air above the earth at higher altitudes the mass of the air
pcl5g --gt pcl3g cl2g lt-- at 250deg 0250 m pcl5 is added to the flask if kp 180 what are the equilibrium
in the formation of smog nitrogen and oxygen gas react to form nitrogen dioxide n2 g 2o2g ---gt 2no2 g how many grams
suppose that an 850 laboratory animal ingested 100 of a substance that contained 245 by mass an alpha emitter with a
the work function w of magnesium metal is 590x10-19 j calculate maximum wavelength of light required to release
hydrogen gas can be produced in the labratory through the reaction of magnesium metal with hydrolic acid mg s 2hcl aq
polonium-218 is an alpha emitter with a half-life of 30 minutes if a sample contains 60 mg of atomic mass 218008965
a 134-ml bubble of hot gases at 217c and 179 atm escapes from an active volcano what is the temperature in c of the gas
an atom of 125sn has a mass of 124907785 amu calculate the mass defect deficit in amuatom use the masses mass of 1h
the acid-dissociation constant for an acid-base indicator hin is 00000438 at 600 nm the molar absorptivities are 2230
from the following interactions select the lowest and highest energy interactions a a 3 and a 1 charge separated by 3 m
place the following gases in order of increasing average molecular speed at 300 k co sf6 h2s cl2 hbr use the
a gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions it
a mixture of gases contains 135 g of n2 264 g of h2 and 238 g of nh3 if the total pressure of the mixture is 164 atm
a sample of 750 g of so2g originally in a 500-l vessel at 18degc is transferred to a 100-l vessel at 25degc a sample of
b what is the partial pressure in atm of each component of this mixture if it is held in a 1370-l vessel at 12degc o2
a what are the mole fractions of each component in a mixture of 510 g of o2 744 g of n2 and 126 g of h2 o2 your
which of the following quantum numbers describes the shape of an orbital aprincipal quantum number bschrodinger quantum
the vapor pressure of trichloromethane is 400 mmhg at -7 degrees c and its heat of vaporization is 293 kjmol estimate
what is molecular weight of a gas that effuses 14 as rapidly as ch4 i need to know how to solve the problem the answer
the enthalpy of solution of nitrous oxide n2o in water is -12 kjmol and its solubility at 20 oc and 100 atm is 0121 g
common commercial acids and bases are aqueous solutions with the following properties nitric acid hno3 density 142 gcm3