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Compare the staggered conformers of 1,1,1-trifluorobutane (C2-C3). Why is one of the staggered conformers most stable? Why is one of the staggered conformers least stable?
calculate the heat energy released when 15.1g of liquid mercury at 25 degrees C is converted to solid mercury at its melting point
Draw and construct the open-chain model of glucose, How many chiral carbons are in the open-chain version of glucose?
In an ionic compound, the size of the ions affects the internuclear distance (the distance between the centers of adjacent ions), which affects lattice energy (a measure of the attractive force holding those ions together).
calculate the number of excess reagent units remaining when 188 PbS formula units and 279 O2 molecules react?
He decides to run an FTIR on the resultant powder on the cold finger apparatus. WHat functional group would clearly cofiirm that the white powder is indeed caffeine and not catechin?
Which of the following ions is least likely to form colored compounds? A) Mn2+ B) Cr5+ C) Sc3+ D) Fe3+ E) Co2+
When making up an unknown solution for absorption measurements, a good plain is to make up a solution that is rather on the concentrated side, measure its absorbance and compare it to the absorbance range of your standard curve. If it is higher th..
calculate the percent yield for an experiment in which 5.50 g of socl2 was obtained in a reaction of 5.80 g of so2 with
Why has fluorine been added? The structure is Cephalosporin.
If you compare D-galactose to L-galactose, all groups attached to the carbon skeleton of the D-galactose are on the opposite side compared to L-galactose
The energy of a photon is 9.61 x 10 ^ -20 J . What is its wavelenght( in nanometers)? Enter your answer in scientific notation
the change in energy of each system and also of the composite system. the change in entropy of each system an also of the composite system.
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