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Question- pH of a 0.1 M solution of sodium acetate at 25 degrees C gives Ka acetic acid = 1.8 x 10^(-5) and Kw=10^-14 at this temperature.
What is [H+] of jolt cola at pH of 3.09?
Please demonstrate the entire work. I am thanking you in advance
Write a mechanism for the addition reaction of hydrogen cyanide to acetaldehyde. Why does this reaction occur more readily in the presence of a base ? Give the mechanism of the iodoform test ( haloform reaction), using acetophenone as the ketone.
A buffer is prepared by adding 115mL of 0.30 M NH3 to 145mL of 0.15 M NH4NO3. Explain what the pH of the final solution is. Kb= 1.8x10-5
Draw the procedure you expect to use to conclude the iron concentration in the blood. Make sure to comprise the amounts of materials and items you expect to use
A rectangular beam made using concrete with f'c = 6000 psi and steel with fy=60000 psi has a width b= 20 in. The concrete modulus of rupture fr=530 psi. The elastic moduli of the concrete and steel are, respectively,
Calculate the concentration of Cu in the chloroform phase if 39 mL of a 0.28 M aqueous Cu solution buffered to pH 4 is equilibrated with 12 mL of chloroform.
The reactant concentration in a zero-order reaction was 0.100 M after 115 s and 2.50×10-2 M after 350 s. What is the rate constant for this reaction. what is the initial concentration for this reaction. k=3.19*10 -4
suppose you are given 1 kg of ice at 0degc. if the ice is placed in an insulated container holding 1 kg of water
Calculate the change in entropy (S) for reversible cooling 1 Mole of an ideal monatomic gas from 30 degrees C to 0 degrees C under:
Question- In a kinetic characterization of carbonic anhydrase, the enzyme concentration was 0.05 uM. The Km is 26 mM and the maximum rate at whick 0.05 uM carbonic anhydrase can break down sodium bicarbonate is 20 mMs^-1. If the initial reaction r..
A sample of fruit juice is analyzed for its lead concentration. If the sample is found to have 0.477 ppm lead, how many grams of lead would be in an 8.0-fl oz serving of the juice. Assume that the density of the juice is 1.01 g/mL.
Draw the Lewis Dot Structure for both substances b. Determine the electron pair geometry c. Determine the molecular geometry d. Compare the F - C - F bond angle to the H - S - H bond angle e
small spheres of equal mass are made of lead density 11.3 rm grm cm3 silver 10.5 rm grm cm3 and aluminum 2.70 rm grm
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