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how many grams of potassium fluoride kf can be produced from the reaction of 923 g of potassium with 555 g of fluorine
the latest weather report includes the following statement the temperature is 78of barometric pressure is 299 inches
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come up with a practical use for prep-gc coupled with ir spectroscopy hint if you cant identify your compound and you
a 100 ml sample of aqueous h2so4 requires 2432 ml of 0143 m of naoh to reach the endpoint what is the molar
the percentage of silver impurity in a lead sample was determined by the following procedure a sample of lead weighing
sucrose c12h22o11 fw 3422965 combusts in oxygen to generate carbon dioxide and water vapor when 20-g sample of is
when a 110 gram peice of metal at 80 degrees celcius is placed in 220 grams of water at 0 degrss celcicius the metal is
give an example of how you would take a primary alcohol to an aldehyde what reagents would you use how would you take a
formula weight of edta is 3722 gmole and the formula weight of caco3 is 10009 gmole if the volume of edta needed to
nitric oxide is made from the oxidation of ammonia how many moles of nitric oxide can be made from the
how many total moles of ions are released when 0665 mol of rb2so4 dissolves completely in
can there be two substances containing the same of carbon hydrogen and oxygen atoms but one gives a positive iodoform
this is a question on my chemistry lab pertaining to analyzing how much mg is actually in a capsulehow would your
sucrose c12h22o11 fw3422965 combusts in oxygen to generate carbon dioxide and water vapor when 20-g sample of it is
carry synthesis of the following compounds using 4-octyne as the only source of carbon provide a full retrosynthetic
use the born-haber cycle to determine the lattice energy in kjmol of licl given the following thermochemical data1 lis
four atoms are arbitrarily labeled w x y and z their electronegativities are as follows w40 x30 y20 and z15 if the
the buffer containing human blood is carbonic acid and bicarbonate ion in blood plasma are 0024m of bicarbonate ion and
when backpacking in the wilderness hikers often boil water to sterilize it for drinking suppose that you are planning a
give a brief explanation of the physics behind combustion what happens on a molecularchemical scale and approximately
to a buffer solution containing 0100m of hno2 and 0150m of kno2 with calculations determine if the added amount of the
calculate the rms average speed of n2o atoms or molecules at 125 degrees celsius use r 8314 kg-m2k-s2-mol for the
calculate the molar mass of a gas that has a density of 0605 gl at 229 degrees celsius and 499 torr use r 00821