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this problem is in schaums draw of college chemistry thus i already have the answer the problem though is that schaums
moles of gas 0125moles while the gas is at room temperature 25degreesc the piston is at 2cm from the bottom of the
in my organic lab we extracted spinach pigments through grinding the leaves as well as adding dichloromethane to the
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name two intermolecular forces that are mixed up in chromatography and the roles that they play during
a sample of air contains 8583 molesm3 of oxygen as well as 1640 molesm3 of nitrogen at stp 1 atm 0 degrees celsius find
a phosphate buffer solution contains 008 m k2hpo4 and 012 m kh2po4 pka values for h3po4 are 2 68 and 122 compute the
at the big bang the universe extended from a single point into a sphere of radius about five light years rather quickly
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compound a c9h12 undergoes nitration to give three products the 1h nmr spectrum of a shows a complex three-proton
aregard as the completely reversible folding of the protein myoglobin at 308k for which the enthalpy of unfolding is
an unknown metal is determined to be arranged in an fcc structure explain the density of the metal is 113gcm3 as well
a human typically evolves about 20kj per kg per hour of heat mostly from the oxidation of food the average human is 62
a sample of solid aerosol is collected from a rural area and found to have as composition al2400 mg kg-1 and pb 34 mg
polyaromatic hydrocarbons are usually associated with soot particles as adsorbates on the surace compute the relative
the density of graphite is 25 gml as well as the density of diamond is 35 gml the isothermal compressibity of graphite
a molecule of unknown structure has a molecular formula of c9h8o2 in the infrared spectrum there are absorptions at
explain how many moles of gas must be forced into a 34l ball to give it a gauge pressure of 92psi at 21c the gauge
a solution is created with 500g of kno3 mm 1011gmol in 1500g of the water mm180gmol the density of the mixture is
explain how many grams of dry nh4cl require to be added to 210l of a 0700m solution of ammonia nh3 to make a buffer
a solution is made by dissolving 0687 mol of nonelectrolyte solute in 797 g of benzene compute the freezing point and
atmospheric co2 level seem to have risen by around 20 over the past 40 years from 315ppm to 375ppm a specified that the
perform a steady-state examination on the 3-step reaction mechanism below presume that both ozone and atomic oxygen are
the density of an element is 2540 gcm3 the element crystallizes in a face centered cubic lattice as well as has a