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the brass is a substitutional alloy consisting of a solution of copper and zinc a meticulous sample of red brass
1 depict the product of the reaction of heptanolactone with sodium methoxide2 depict the product of the reaction of
iron ore is impure fe2o3 while fe2o3 is heated with an excess of carbon iron metal is produced as of a sample of ore
citric acid h3c6h5o7 take place in plants the acid is added to beverages as well as candy an aqueous solution is 0710m
the solubility of acetanilide is 185 g in 100 ml of methanol at 0 degrees celsius as well as 592 g in 100 ml of
to get hold of 80g of potassium dichromate from a solution labeled 50 by mass explain how many grams of solution are
if all the chloride in a 5000g sample of an unknown metal chloride is precipitated as silver chloride with 7090ml of
explain how many ml of 0125 m k2cr2o7 are necessary to react completely with 25ml of 0250m feso5 solution in acidic
compute the average drift velocity of conduction electrons in a copper wire of cross section 107 m2 carrying a current
a 0210g sample of an acid molar mass192gmol is titrated with 305ml of 0108m naoh to a phenolphthalein end point is the
the vapor pressure of water 1754torr at 20c compute the vapor pressure lowering of aqueous solutions that are 240 m in
regard as liquid mercury hg l look up values for k kappa and b beta explain the constant pressure heat capacity in the
you are getting ready to pout an agarose gel you require a 100 ml solution of 1 agarose in 1xtae starting with dry
a clinical serum sample is found to have an inorganic phosphate of 93 mgdl which is exterior the normal range of 30 to
1 provide instructions for making one liter of a 03m potassium acetate buffer of ph 522 explain how much ph increase if
all possible reactions between planned reagents that could lead to buffer solution by fractional neutralization look up
1 compute the ph of a solution obtaining by mixing 100ml of 1m hepes and 2ml of 1 m naoh as well as adjusting the
at 25degc the vapor pressure of pure benzene is 10084 torr explain what is the vapor pressure of a solution made from
the frictionless piston-and-cylinder system depict here is subjected to 1013 bar external pressure the piston mass is
the 125 ml of a 20x stock solution explain what volume of water would you add to this to give a solution with a final
calomel hg2cl2 is not toxic however methyl mercury chloride ch3hgcl is highly toxic explain what physical property
explain how do you find out maximum percent recovery from recrystallization when you are given solubility at 60 c and 0
an aqueous kno3 solution is made using 778g of kno3 diluted to a total solution volume of 204la compute the molarity of
a generic solid x has a molar mass of 681 gmol in a constant-pressure calorimeter 446 g of x is dissolved in 301 g of
5 c6h12o6 24 no3- 24 h 12 n2 30 co2 42 h2oexplain how much n2 will be produced l when 6 liters of a c6h12o6