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If the computer writes electron configurations in the form for Fe for example, [Ar]4s(2)3d(6) which we would write [Ar]4s23d6. Give the electron configuration for Cu2+
You take 1 ml of your sample and dialyze it in 1000 ml of buffer. At the end of dialysis what is the concentration of (NH4)2SO4 in your sample. How could you further lower the (NH4)SO4 concentration
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
What is the formula for finding how many isomers are in a given organic molecule. Like for an alkane, alkene, and alkyne.
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/t (in K ) is linear and has a slope of ?1.13×10^4 K.
What is the pH of 10 drops of triethylamine in a dropperful of demineralized water? How does the reaction between triethylamine and water explain the measurement of the pH?
Approximate the boiling point of mercury at a pressure of 1.00 bar. Presume that the enthalpy as well as entropy of vaporization is temperature-independent. Utilize thermodynamic data.
determine the rate law and rate constant for the gas-phase reaction of nitrogen monoxide and chlorine.
For the procedure of a certain liquid vaporizing at 1atm, delta H= 55.5 kJ/mol as well as delta S= 74.1 J/mol K. Presume these values are independent of T, Explain what is the normal boiling point of this liquid ignore
When one equivalent of ethylmagnesium bromide is treated with one equivalent of 5-hydroxy-2-pentanone. Does addition of two equivalents of the grignard reagent to this ketone yield a different product(s)? If so, give the structure (s).
One can approximate boiling point at reduced pressure using a pressure-temperature nomograph. What would you expect the observed boiling pint to be at 50 torr(mm) for a liquid that has a boiling point
A certain hydrate of potassium aluminum sulfate (alum) has the formula KAl(SO4)2 x XH2O.When a hydrate sample weighing 5.459 g is heated to remove all the water, 2.583 grams of KAl(SO4)2 remains. What is the mass percent of water in the hydrate
How much energy is released in (kJ) in the fusion reaction 2^H to yield 1 mol of 3^He? The atomic mass of 2^H is 2.0141 amu, and the atomic mass
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