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The molar mass of cellulose is approximately 6.0 x 105 g/mol and the molar mass of a soluble starch is on the order of 4.0 x 103 g/mol. The monomer unit in both of these molecules has the emperical formula C6H10O5. The uits are about 5.0 x 10-10 m long. About how many units occur in each molecule, and how long are the molecules of cellulose and starch as a result?
Name the major dehydrohalogenation product of the reaction of 2-bromobutane with potassium tert-butoxide in tert-butyl alcohol. Explain
Use stereoformulas to show that (S)-benzoin reduces to meso-hydrobenzoin.
reaction flask and allowedd to come to equilibrium at 250 C: PCL5--> PCl3 +Cl2 if the amount og chlorine in the equilibrium mixture is 0.470mol, calculate (a) the euilibrium concentration of each gas, (b) Kc, (c) the fraction of PCl5 dissociated.
at a certain temperature the vapor pressure of pure benzene c6h6 is 0.930 atm. a solution was prepared by dissolving
What mass of NO2 can be produced by the complete reaction of 45.00 g of ammonia with 94.00 g of oxygen
use the bond dissociation energies of h2 435 kjmol and of y typical carbon-carbon bond 347 kjmol to decide which bond
Propose a structure for a C6H15O2N compound that is unstable in aqueous acid and has the following NMR spectra:1H NMR:
Which stage of ionization usually produces more ions and why?
What is the molar mass of a gas which occupies 32.9 L at 82oC under 1.124 atm of pressure and has a mass of 23.7 grams
What is the difference between a hypothesis and a theory? a hypothesis is a proposal that has been tested extensively, whereas a theory is an initialy stated proposal a hypothesis is a conclusion made after a theory was tested words hypothesis
calculate the colume of a .200 M NaOH solution needed to neutralize 40.0 mL of .600 M H2SO4 solution.
Hydrchloric acid is usually purchased in a concentrated form that is 37.0% HCL by mass and has a density of 1.20g/ml. How much concentrated solution would you take to prepare 2.85L of 0.410M HCl by mixing with water
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