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when 19 g koh is dissolved in 971 g of water in a coffee-cup calorimeter the temperature rises from 181 degc to 3381
you place 304 ml of 023 m baoh2nbspin a coffee-cup calorimeter at 2500degc and add 644 ml of 0528 m hcl also at
how much water is produced from the reaction of 170 grams of hydrogen fluoride with excess silicon dioxide if the
in a bomb calorimeter compartment surrounded by 1341 kg of water the combustion of 1016 g of benzene c6h6nbspl raised
so2nbspreacts withnbspcl2nbspto formnbspso2cl2 the equilibrium constant kp for this reaction
lets assume that to make america great again and support coal-powered electricity generation the trump administration
how many grams of the antacid caco3nbspused in your titration would be needed to neutralize 350 ml of stomach acid
within group 9 of the periodic table ie1 for co is greater than ie1 for rh however in group 10 ie1 for ni is smaller
givennbspknbspnbsp362nbspat 45degc for the reactionag bgnbspnbspcg andnbspknbspnbsp699nbspat 45degc for the reaction2
h2nbspis produced by the reaction ofnbsp1177nbspml of anbsp08968nbspmnbspsolution of h3po4nbspaccording to the
describe four common effective uses to which medieval society put human and animal excrement feces and urine with
stearic acid and linoleic acid are both long chain carboxylic acids with 18 carbon atoms however there is a vast
assume that you are a chemist trying to prepare butyl ethanoate a flavouring agent used in the manufacture of ice-cream
how many moles of water could be produced from the reaction of 556 grams of ammonia and 701 g of oxygen
a solution contains 025 m nino32 and 025 m cuno32nbspcan the metal ions be separated by slowly adding na2co3nbspassume
a 181 mg sample of a nonelectrolyte isolated from throat lozenges was dissolved in enough water to make 100 ml of
the experimentally measured freezing point of anbsp125nbspm aqueous solution ofnbspalcl3nbspisnbsp-744degc the freezing
the vapor pressure of carbon disulfide is 3556 torr at 25degc what is the vapor pressure of a solution prepared by
what is the molality of a solution prepared by dissolving 720 g of ethylene glycol hoch2ch2oh in 155 l of water
calculate the molarity of 750 ml of a solution that is 092 by mass nacl assume the density of the solution is the same
please calculate the solubility of oxygen in water at the top of mt everest where the atmospheric pressure is 0340 atm
calculate the ph of 0180 g of potassium biphthalate pkanbsp 54 in 500 ml of waterplease show the steps required to
a what were the values of the mean mass and the random error for the five sets of ten beads as calculated on your
the equilibrium constant k for the following reaction isnbsp148times10-2nbspatnbsp604nbspkcocl2glt------gtnbspcog
write the lewis structure and chemical formula of the compound with a molar mass of about 70 gmol that contains 197