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Explain how is the pKa of a phenol different than an aliphatic alcohol? Can a phenol be deprotonated by 3 M NaOH, can aphenol be deprotonated by NaHCO3?
Technetium-99 is a long-live radioactive isotope of technetium. Each nucleus decays by emitting one beta particle. What is the product nucleus?
At 25 degree C the density of a 50% by mass ethanol-water solution is 0.914g per cubic cm. Given the partial molar volume of water in the solution is 17.4 cubic cm per mol, calculate the partial molar volume of the ethanol.
When 4-methylcyclohexene reacts with water and acid, a mixture of 4-methylcyclohexanol and 3-methylcyclohexanol is formed. (a) write the reaction
if 200 ml of gas at 400 torr is transferred to a 20.0 ml cotnainer. what will the new pressure be if the temperature is
Write the structural formula and name of the organic product for the following reaction between an alkyne and an alkyl halide.
What fragmentation would give rise to the peak at m/z 45 in the Mass Spectrum. Loss of hydroxyl group.
a steel tank with a volume of 9.583L contains N2 gas under a pressure of 4.972 atm at 31.8C Calculate the number of moles of N2 in the tank.
The minimum energy required to cause the photo electric effect in potassium metal is 3.69*10^-19 J. will photoelectrons be produced when light shines on the surface of potassium?if 400 nm radiation is shone on potassium,what is the velocity of the..
Question one: A certain weak acid has, HA, has a Ka value of 8.3*10^-7. Calculate the percent of ionization of HA in a .10 M Solution.
Its volume in the liquid state is 1.00 cm3 and its volume in the vapour state is 1671 cm3. Find the work done by expansion due to evaporation and the change of internal energy of the system.
a compound is constituted by mass of 22.6 phosphorus the rest being chlorine. given that a volume of 307 ml of the gas
Predict the formula and name of a binary compound formed from the following elements: (a) Na and H, (b)B and O, (c) Na and S, (d) Al and F, (e) F and O, (f)Sr and Cl.
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