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question- when 10 m aqueous solutions of sodium carbonate and hydrochloric acid react it produces a carbon dioxide
question- draw the skeletal structure of the organic species containing the carbonyl functionality needed to form
question- a solution containing a monoprotic weak acid ha that is 616 dissociated was found to have a ph of 287 find
question- how many ml of a 0425 m aqueous solution of potassium sulfite will contain 15 1023 potassium ionsplease take
for a protein w a molar mass of 1x10 6 u calculate the molar concentration required to obtain an osmotic pressure of 10
question- the following reaction have the indicated equilibrium constants at a particular temp n2g o2 g -gtdouble
question- the space shuttle carries about 72500 kg of solid aluminum fuel which is oxidized with ammonium perchlorate
question- you ground your vitamin c tablet and dissolved it in 250ml of water in a volumetric flask you used a 250ml
question- 150 mol of helium gas in a cylinder is held at a volume of 224 l by a piston at 273k and 100 atm heat is
question- a 200 g sugar cube sucrose- c12h22o11 is dissolved in a 350 ml teapot containing 80 c water density of water
question- what is the grxn of the reaction below at 25c when no2-h3o1x10-5 m and hno2 1m will the reaction be
question- a solution of household bleach contains 525 sodium hypochlorite naocl by mass assuming that the density of
question- the ionization constant for hypochlorous acid hclo is ka 28 x 10-8 at t 25 c find the ph for the following
question- a major buffering system in the blood is h2co3hco3- at first glance this would appear to be a poor choice at
question- enormous numbers of microwave photons are needed to warm household samples a bowl of soup containing 484g of
question 2 the shroud of turin is a piece of linen bearing the image of a man that has for generations been claimed
how is kostenecki synthesis of flavonoid used to identify and optimise
an ideal gas in a sealed container has an initial volume of 255 l at constant pressure it is cooled to 2000 degc
use your calculated densities to find the mass of nacl in you 15 ml saturated nacl solution you will need to use
bromine is extracted from the sea and is exported by mass as a 50 calcium bromide solution what is the mass of
problem- a typical 100-watt light bulb consumes 100j of energy per second if a light bulb converts all of this energy
problem- the enthalpy of formation of water is -2418 kjmol how much heat is released when 3g of hydrogen reacts with
problem- a balloon is inflated to its full extent by heating the air inside of it during this process 1100 j of heat is
problem- for the pyruvate dehydrogenase complex what is the specific chemical function of the lipoic acid cofactora