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Why does the introduction of a para nitro group have a much greater effect on the acidity constant of phenol than it does on benzoic acid? Justify your response by using appropriate resonance structures.
An aqueous solution of trichloroacetic acid, that is 2.00 percent by weight trichloroacetic acid, has a density of 1.0083 g/mL. A student determines that the freezing point of this solution is -0.382 oC.
The normal freezing point of water is 0.0C. at this temperature the density of liquid water is 1.000 g/ml and the density of ice is 0.917 g/ml. The increase in enthalpy for the melting of ice at this temperature is 6010 J/mol.
The enzyme, phosphogucomutase, catalyzes the interconversion of glucose 1-phosphate and glucose 6-phosphate. If at chemical equilibrium at 25 degrees celcius, 95% glucose 6-phospate is present, calculate
Solve an equilibrium problem (using an ICE table) to calculate the of each of the following solutions. a mixture that is 0.16 M in CH3NH2 and 0.16 M in CH3NH3CL
The pressure and colume are simultaneously increased so that at every instant P and v are related by the equation, P = Av, where A is a constant.
Deduce the structure of the molecule with the molecular formula C3H6 with a C13 NMR delta peak value of 27.8
When a particular metal is illuminated with photons, one electron is observed for each absorbed photon. What effect would decreasing the wavelength and number of photons, have on the electrons leaving the surface
if 4.50g of methane gas is introduced into an evacuated 2.00 L container at 35 celcuis what is the pressure in the container?
performed using 1.8912g of zinc and 1.5965g of iodine. Determine the limiting reactant and calculate the theoretical yield of zinc iodine in grams.
Triethyloxonium Tetrafluoroborate, (CH3CH2)3O+ BF4 - is a solid with melting point 91-92 degrees Celsius. Show how this reagent can transfer an ethyl group to a nucleophile (Nuc:-) in an SN2 reaction.
List and draw all types of noncovalent interactions (charge-charge electrostatic, hydrogen-bonding, hydrophobic reactions) that can occur between the side-chains of the following amino acids.
Find out What mass of the NaHCO3 reacts with the vitamin C When the tablet dissolves in H2O, it "fizzes" because the reason for this is the CHO3 reacts with the citric acid(C6H8O7 a weak organic acid) and the vitamin C?
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