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a tightly sealed 5 litres flask has argon ar at 628x101 deg c and 781 mm hg determine the temperature of the gas if the flask is heated until the
a sample of ice 270-g at -130degc is combined with water of 1140 grams at 80 degree celsius compute the final temperature of the mixture assuming no
determine the amount of heat energy is needed to raise the temperature of 0362 kilograms of cu from 23 degree celsius to 60 degree celsius the
a 145ml of beaker with ch3cooh buffer with a ph of 5000 is sitting on a bench top the total molarity of acid and conjugate base 0100m a boy adds 420
determine the identity of the diatomic gas when a boy places 595 gm of a diatomic gas into a ten litres container at 25 degree celsius measures the
determine the final pressure volume temperature and number of moles of gas when the volume is reduced by halfnbspat the time when gas is compressed
determine how many kgs of methane ch4 are in completely insulated piston with the given properties pressure 3 bar absolute volume 2 cubic meters
nbspka for cyanic acid hcno 35 x 10-4 at 25degc write the equilibrium that corresponds to ka the standard heat of combustion of butane gas - 2880 x
europium europium is a chemical element with the symbol eu and atomic number 63 crystallizes in a body-centered cubic lattice compute the unitcell
what mass of sucrose c12h22o11 must be mixed with 543 grams of h2o to make a solution with an osmotic pressure 800 atm at the temperature of 12
considering the given equation 2 al 6 hcl rarr 2 alcl3 3 h2 determine how many grams of alcl3 are formed if 300 grams of hydrogen are produced it
using a compound contains 3006 percent oxygen and 6994 percent iron determine its molecular formula if the molar mass of the compound 19955 grams
a female needs to take ibuprofen of 375mg twice daily the pills in the bottle are each 250 mg determine how many pills does the female require to
for the reaction given as nog o3g --gtno2g o2g the frequency factor a 87 x 1012 s-1 activation energy 63 kjmol determine the rate constant for
what is the temperature change if 84 joules of heat are added to a pure gold coin with a mass of fifteen grams it is given that the specific heat
determine the mass of the lead in grams if the water level in a graduated cylinder initially at 224 ml rises to 274 ml after a piece of pb is
considering the given reaction csco2g-gt2cogreversible heterogeneous reactionnbspthe total pressure of the system is found to be 4 atm when
if h2 of 500 ml and c2h4 of 500 ml are permitted to react at the pressure of 15 atm produce c2h6 that has a volume of 500 mille litres compute the
considering the given equations 3cuso4 2fe --gt 3 cu fe2so43 determine the limiting reactant and the numbers of moles of cu will be formed if you
the specific heat of aluminum 022 calg degrees c determine what would be the final temperature if thirty grams of al at 95 degrees celsius are added
determine how many kgs of ca are there in a 205-pound man if 14 percent of the mass of a human body is calciumcaan antacid tablet dissolves in h2o
a sample of 360 mg of an organic compound that has molar mass 840 gmol is dissolved in 100 ml of h2o solution is extracted with five mili litres of
you measure 234 grams of potassium dichromate k2cr2o7 into a volumetric flask you dilute the potassium dichromate k2cr2o7 with h2o to a volume of 250
considering the molecule hooh what happens to the overlap in the sigma bond between the 2 o atoms as one hydroxyl group is rotated in a clockwise
the molecule atracurium is a very complex drug neuromuscular blocking agent and is associated to the natural product tubocurarine this drug exhibits