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a gel filtration column has a void volume of 4 ml and total volume of 15ml what volume would be needed to pass through
a person suffering from hyponatremia has a sodium ion concentration in the blood of 0118m and a total blood volume of
a 5221 g sample of water at 822 degrees celsius is added to a sample of water at 258 degrees celsius in a constant
classify each of the following actions by whether it causes a leftward shift a rightward shift or no shift in the
calculate the theoretical yelled percentage of a reaction between sodium and water if 250 g of sodium react with excess
what are the transition metals in a periodic table
calculate the energy difference delta e for the transition of n4 to n2 for 100 mol of hydrogen
what would be the average atomic mass of the
what is the wavelength of electromanetic radiation with a frequency of 600x109
why does chewing a tablet cure indigestion faster than swallowing the tablet
calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in
a 200 g piece of copper at 100 celsius degrees is placed in a vessel of negligible heat capacity but containing 507 g
1 what is the number of hydronium ions in 2ml of 250 m sulfuric acid solution2 if 310 ml of 340 hydrochloric acid
a specific proton in an organic compound has a chemical shift of 34 in 60 mhz spectrum what will the shift be using a
calculate the density of dry air at 70 f from its average molecular mass given that the composition of dry air is 7804
wood and oxygen are two reagents required to keep a campfire burning identify the limiting and excess reagent a the
in addition to continuous radiation fluorescent lamps emit sharp lines in the visible region from a mercury discharge
a gas expands in volume from 352 ml to 827 ml at constant temperature calculate the work done in joules if the gas
a typical cup of tea is made by starting with six fluid ounces of cold water 177 ml how much heat in joules is required
integrate the form of the clausius clapeyron equation dpdt phvaprt2 and then use that to compute the triple point
two substances a and b initially at different temperatures come into contact and reach thermal equilibrium at 467
in a constant pressure calorimetry experiment a reaction gives off 208 kj of heat the calorimeter contains 150 g of
10 mols of liquid benzene at 20degc and 1 bar is pumped to 5 bar at the inlet conditions the molar volume of benzene is
a beaker with 115 ml of an acetic acid buffer with a ph of 500 is sitting on a benchtop the total molarity of acid and
what is the equilibrium composition of a reaction mixture if we start with 0500 mol each of h2 and i2 in a 10-l vessel