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an acid solution was standardized against nahco3 which was prepared as 75 g nahco3 in 1 liter find the normality of the
1- verify that the 2s wavefunction for hydrogen is normalized2- use the wavefunction for the 1s orbital to find the
show a reaction producing an alcohol a compound containing an -oh group -- this is again an addition reaction with an
what about formation of a monobrominated alkane -- from an alkene what sort of addition reaction see the list of
do the same for halogenation of an alkene -- as review now we do not have hbr as a product explain why not -- in terms
in this experiment the concentration of quinine in tonic water was measured using fluorescence spectroscopy what
a buffer is prepared using the propionic acidpropionate acid-base pair for which the ratio of acid to base is 450a
a buffer is made up of 355 ml each of 0200 m nahco3 and 0134 m na2co3 assume that volumes are additive enough water is
at 1 atm how many moles of co2 are released by raising the temperature of 1 liter of water from 20 c to 25 chenrys law
an unknown compound contains only carbon hydrogen and oxygen combustion analysis of the compound gives mass percents of
what are the boiling points and freezing point of a 297m solution of naphtalene in benzene the boiling point and
an aqueous solution of 0043 m weak acid hx has a ph of 392 what is the ph of the solution if 0021 mol of kx is
a solution that contains 550 g of ascorbic acid vitamin c in 250 g of water freezes at -234degc calculate the molar
a cashew nut was burned and determined to have an energy value of 35calg the amount of nut burned was 09933g how many
a solution of 750g of benzene and 750g of toluene has a total vapor pressure of 809mmhg at 303k another solution of
how many grams of of ethylene glycol are needed per kilogram of water to protect the radiator fluid against freezing
a mixture of naci and sucrose of combined mass of 102 g is dissolved in enough water to make up 250 ml solution the
a 253 ml benzene solution containing 261 g of an organic polymer has an osmotic pressure of 863 mmhg at 21degc
calculate the vant hoff factor of na3po4 in a 40 m solution whose freezing point is
375 kg of water are in a well insulated container at 213 degrees celsius after 4184 kj of heat is added to the water
if you have 290 ml of water at 25 c and add 110 ml of water at 95 c what is the final temperature of the
a product has glycerol molecular weight92 the product contain 25 by weight glycerol and has a void fraction of 70 and a
the solubility of n2 in blood at 37ampacircampdegc and at a partial pressure of 080 atm is 56 10-4 moll a deep-sea
a dilute electrolyte is prepared by dissolving ironiii chloride in water it is found to ave a freezing point of - 25c