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State the Henderson Hasselbalch equation for a solution of mehtylamine. Compute the quotient [CH3NH2]/[CH3NH3+] at
a.) pH4.00
b.) pH10.632
c.) pH12.00
concerning the applicability of the titration method, comment on if and how you could use it to determine ksp for each of the following: a. barium hydroxide c. copper(ii) iodate
An oxalic acid solution contains the subsequent species in varying concentrations- C2H2O4,C2HO-4,C2O2-4, and H+. Depict Lewis structures of C2HO-4, and C2O2-4. Which of the above four species can act merely as acids which can act only as bases, ad..
one day you notice that the outside temperature increase by 16 degrees Fahrenheit between your early morning jog and your lunch at noon. what is the corresponding change in temperature in the Celsius and Kelvin scales?
The density of a 0.438 solution of potassium chromate at 298 is 1.063 .Calculate the vapor pressure of water above the solution. The vapor pressure of pure water at this temperature is 0.0313.
The paint formerly used on some storage tanks contained aluminum powder, which reflected heat from the surface of the tanks. Why did experts recommend grounding these tanks
Methanol (CH3O) is produced commercially by the catalyzed reaction of carbon monoxide and hydrogen CO(g)+2H2(g) CH3OH(g). An equilibrium mixture in a 2.00-L vessel is found to contain0.0406 mol CH3OH,
What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.00055 atm.) Assume that CO2 obeys Henry's law.
When 4.0 g of sulfur is burnt in excess oxygen, 40 KJ of heat is evolved. What is the enthalpy change for the combustion of sulfur?
Many fish which normally line in mountain streams (where the water temperature is 0 degrees celcius) die when water in which they live warms up to 25 degrees C. How many oxygen molecules are there in 1.0 ml of water at these two temperatures?
whole blood what is the mass in pounds of this amount of whole blood
When an external pressure of 2.00 is applied to the wire, the gas compresses from 5.90 to 2.95 . When the external pressure is increased to 2.50 , the gas further compresses from 2.95 to 2.36.
At 50 degrees celsius a sample of ammonia gas exerts a pressure of 6.5 atm. What is the pressure when the volume of the gas is reduced to 20% of the original value at the same temperature
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