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a collection of electrons is confined to an infinitely deep well or 1-d box having a 4 nm width what wavelength photon
draw the structure of tristearin a fat in which all the fatty acid units are stearic acid circle and identify all
lithium crystallizes in a body centered cubic unit cell what is the mass of one unit cell report answer in
draw a complete mechanism for the reaction that occurs in this solvolysis experiment showing all the intermediates and
a what combination of a molecular base that is a neutral compound not an ion and a salt of the conjugate acid of that
relative humidity is defined as the partial pressure of water vapor in the air expressed as a percentage of the
a balloon is filled with hydrogen gas and produces the following chemical reaction between iron and sulfuric acid fes
life is dependent on four major classes of biomolecules what are they why are they
in the double stranded helix structure of dna which bases are always hydrogen bonded to the following cytosine thymine
if the most common monosaccharides have the formula c6h12o6 why do the resulting disaccharides have the formula
the molecular formula for lactic acid is c3h6o3 and its structural formula is ch3chohcooh is this molecule a
the molar mass of cellulose is approximately 60 x 105 gmol and the molar mass of a soluble starch is on the order of 40
draw structural formulas for propanal and propanone from these formulas do you think that aldehydes and ketones are
observe the d-orbitals on a central metal and use the character table to derive their irreducible representations
is it true that ksp is an equilibrium constant that can be used to express quantitatively the extent to which a
what is the solubility of caf2 in a solution that has an equilibrium concnetration of 001 m edta 4- aq ksp caf2 39 x
given 1 liter h2o with a ph of 7 how much acetic acid c2h4o2 with k18 x 10-5 and mw of 6005gmole needs to be added to
when dissolved in your stomach ph1 the concentration of aspirin acetylsalicylic acid ka 30 x 10 -4 is 02 m calculate
you are asked to prepare a buffer with a ph of 404 calculate the volumes of 100m solutions of formic acid hcooh and
what explanation can you give as to why a dilute aqueous solution of ptcl42- is pale yellow to colorless but a
explain the fact that koh is much more soluble in liquid ammonia containing a little water than in pure liquid
a sample of oxygen gas has a volume of 150 ml when its pressure is 0947 atm what will the volume of the gas be at a
if 2215 ml of 0100 m sulfuric acid is required to neutralize 100ml of lithium hydroxide solution what is the molar
a hydrochloric acid solution is standardized using 0500g of sodium carbonate na2co3 find the molarity of the acid if
a rolaids tablet contains calcium carbonate which neutralizes stomach acid if a rolaids tablet neutralizes 4215 ml of