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using a sample of a diatomic gas occupies a volume of 235 litres at a pressure of 0979 atm and a temp of 264 c if the gas sample weighs 262grams then
the freonschemical found in many old refrigerators and ac units are a class of compounds containing chlorinecl carbonc nbspand fluorinef nbspto be
determine what volume of 10 moll solution of copper monosulfide can be made from 239 grams of copper monosulfideassume that 255 grams of a gaseous
determine what amount of heat is required to increase the temperature of sixty grams of ethylene glycol from 151 degree celsius to 403 degree
using a solution having pb2 ions 1x10-2 m that is mixed to a solution of i- ions of 2 x 10-4m show whether or not a precipitate will form if the ksp
suppose that ethanol of 130 g at the normal temperature of 25 degrees celsius is combined with ethanol of 250 g at 81 degrees celsius temperature at
considering the given equation fe2o3 s 3 co g 2 fe s 3 co2 g this is the overall reaction for the production of iron from iron ore iron iii
determine how many grams of potassium sulfate can be formed from 1500 grams of potassium hydroxide with sufficient sulphuric acid h2so4 it is given
considering the given chemical equationnbsp 2h2sg2h2gs2g for the equilibrium where givennbsp kc90x10-8 at the temperature of 700 degree celsius the
a sample of water of 270 grams at the temperature of 290 kelvin is combined with 490 grams of water at 32 degree celsius compute the final
determine at what pressure will pure h2o nbspstart to boil if its temperature is seventy five degree celsius and given data is ptp h2o6110timesbarttp
if the gas was not pure butane but 10 mole percent propane and 90 mole percent butane then determine how would the mw value be affectedusing an ideal
determine what is the longest possible wavelength of light that could ionize an atom of bismuth if the first ionization energy of bismuth is ei1 70
assume that ethanol c2h5oh of 155 grams at the temperature of 25 degrees celsius nbspis mixed with 250 grams of ethanolc2h5oh at 89 degrees celsius
a sample containing n2 of 350 moles nbspand h2 nbspof 750 mol is placed in a reaction vessel and brought to equilibrium at nbspthe pressure of 350
assume water upwelling to the surface the equation is ch230ch2o76nh317h3po4 nbsphas a total carbon concentration 2300 mmol m-3 oxygen concentration
consider the decomposition of the compound c5h6o3 as given c5h6o3 g rarr c2h6 g 3 co g and determine k for this reaction when a sample of 563 grams
a sample of 110 grams of cacl2 is dissolved in 125 grams of h2o with both substances at twenty five degree celsius compute the final temperature of
suppose that a particular reaction evolves heat of 228 kj and that 40 kj of pv work is gained by the system determine the values of delta e and delta
a balloon of co2 g has a volume of 171 litres and contains 83 moles of co2 some carbon dioxide escapes due to a leak leaving only 35 moles of co2
considering the given equation cah2s 2h2ol caoh2aq 2h2g determine how many grams of cah2 are required to generate 145 litres of hydrogen gas if the
determine the mass of solid sodium formate of mw 680 must be combined to 150 ml of 066 moll hcooh to make a buffer solution having a ph 385 given
if the vapor of a volatile liquid of 231grams nbspis able to fill a flask of 498-ml at 100 degree celsius and 775 mm hg determine the molecule weight
a procedural change would be essential if a boy want to determine the tomato juices acidity by titrating a sample of juice with naohsodium hydroxide
an unknown mass of each of the given substances as with the final temperature is recorded as indicated 1pyrex glass tf676 c 2sand tf704 c 3ethanol