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a hydrocarbon is found by combustion analysis to contain 8717 carbon and 1283 hydrogen by mass determine the smallest
what volume of each of the following acids will react completely with 2550 ml of 0700 m
1write the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate2what is the net
does the temperature of an ideal gas increase decrease or stay the same during each of the followinga isothermal
the bitter-tasting compound quinine is a component of tonic water and is used as a protection against malaria it
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if you have 1 gram samples of several different elements will the sample with the largest or smallest molar mass
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a the pcl3 g initial pressure is 200 atm and the initial pressure for cl2g is 100 atm determine the pressure at
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you have a solid a with an impurity b and you would like to purify a your initial mixture is 80 a and 20 b where a and
a 39l sample of o2 gas has a pressure of 12atm a 17l sample of n2 gas has a pressure of 13 atmif these two samples are
1 what geometric constraints are the amide n-h groups of ser 195 and gly 193 subject to in trypsin chymotrypsin
if 450 ml of silver nitrate solution reacts with excess potassium chloride solution to yield 0595 g of precipitate what
write a balanced net ionic equation for the reaction of na2saq and znso4aq also please include physical states and
write a balanced net ionic equation for the precipitation of cacl2 and cs3po4 in an aqueous solution and include
how many moles and number of ions of each type are present in the following aqueous solution 471 ml of 021g aluminum
a solution of koh is prepared and standardized against 05418g khp the phenolphthalein endpoint was reached by the
1 when solid mercury ii nitrate is heated it decomposes to form solid mercury ii oxide gaseous nitrogen dioxide and
suppose that the atomic mass unit amu had been defined as one-twentieth of the average mass of an atom of lithium
the solubility of acetanilide in hot water is 55g 100ml at 100 degree celcius and its solublity in col water 053g
suppose that coal of density 15 gcm3 is pure carbon it is in fact much more complicated but this is a reasonable rst
a the characteristic odor of pineapple is due to ethyl butyrate a compound containing carbon hydrogen and oxygen
what partial pressure of oxygen above the water in atmospheres at 0 c is needed to obtain this concentration 4mgl the
addition of 485ml of 2238 m of h2so4 solution density 11243 gml to 485 ml of 2238 m bacl2 gives a white