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if beryllium oxide crystallizes in the zinc blend structure a approximate the density of this compound b what is the
utilizing the bohr model for hydrogen-like atoms prepare first-order estimates of the energies expected for the ka
a detailed mechanism for the formation of ethyl acetate from ethanol as well as acetic acid with h2so4 as
explain a flask is charged with 0983atm of n2o4 g and 0752atm no2 g at 25 deg c the equilibrium reaction is n2o4 g
explain triose phosphate isomerase catalyzes the conversion of dihydroxyacetone -p to glyceraldehyde-3-p the standard
complete as well as balance the following redox equation utilizing the smallest integers possible acidic solutioni- aq
define a solution contains ag and pb2 ions the addition of 1550 ml of 150 m nacl is just sufficient to precipitate all
utilize ionization energy and electron affinity values to compute the energy change in kjmol for the subsequent
the volume of a sample of gas measured 15 degrees celsius and 1atm is 20l explain what must the final temperature be in
in the synthesis of salicylic acid from methyl salicylate we added sulfuric acid to a solution that was ph 2 explain
225ml of a gas are collected over water at 22 c and 790torr explain the mass of the gas is 0425 g as well as the vapor
tc99m source has an initial count rate of 100000 bq decayssec and it has a 6 hour half life explain what is the total
a 78 gram solid sample of carbon dioxide is placed in a 40 liter container at 27 degrees c the container already
if the temperature of the hydrochloric acid solution before mixing was 223oc as well as the temperature of the sodium
in the morning after frost the t - 5degrees c as well as the partial pressure of water in the atmosphere fell to 5torr
presume you have 100 mg of a sample dissolved in 06ml of water the partition coefficient for the compound in water and
a liter of a solution saturated at 25 celsius with calcium oxalate cac2o4 is evaporated to dryness giving a 00061 gm
benzene as well as toluene mix to form a liquid solution 20degrees c and solution behaves as ideal solution explain the
explain how many electrons are present in the outer shell of boron in boron trifluoride bf3 as well as of sulfur in
a dilute solution of potassium permanganate in water at 25 degc was prepared the solution was a in a horizontal tube of
for each of the following molecules offer a lewis structure including resonance as well as formal charge forecast the
the particle in a one dimensional box is sometimes utilized as a model for pi electrons in a conjugated bond systemb
explain the particle in a one dimensional box is sometimes used as a model for pi electrons in a conjugated bond