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Terminal alkynes are acidic compounds, with pKa values around 25. That means they are about: a. one million times more acidic than water b. one billion times more acidic than water c. one billion times less acidic than water d. one thousand times more acidic than water
A sample of 5.20ml of diethylether (C2H5OC2H5; density=0.7134g/ml) is introduces into a 6.40L vessel that already contains a mixture of N2 and O2 whose partial pressures are PN2=0.751atm and PO2=0.209atm
If Dan is working in the lab and measures the mass of an iron rod to be 1.25 g and the accepted value from the instructor was given as 1.30 g, what was dan's percent error
The pH of the solution at the equivalence point. e) The pH of the solution after 40.0 mL of HCl are added.
What would be the pH of a solution prepared by combining equal quantities of NaH2PO4 and Na2HPO4? Explain. 2. Sufficient strong acid is added to a solution containing
when 20.6gm of methanol and 39.7gm of chlorine under go reaction that has 73.3% yield, what mass of chlormethene CH3Cl forms
Suppose 50 mL of 0.020 M Hydhrochloric acid solution was mixed to 50 mL of 0.20 M acetic acid solution (Ka of acetic acid, CH3COOH, = 1.8 x 10-5). Determine the approximate pH of the mixture.
Draw the fat molecule whose components are glycerol and butanoic acid. You may omit hydrogen atoms.
The soution in contact with the graphite electrode consists of dissolved Sn(NO3)2. The solution in contact with the copper electrode consists of dissolved CuNO3.
what is the pH solution if 100 mL of the solution is .15 M acetic acid CH3CO2H and contains 1.56g of sodium acetate, CH3CO2Na? Ka=1.8x10^-5
A flexible container contains 1.50 L of gas at 25 degrees Celcius. What is the new volume when the container is heated to 100 degrees Celcius?
What mass of sodium phosphate would have to be added to 2.0 of this solution to completely eliminate the hard water ions
What is atmospheric pressure in atmospheres in Denver for heat of fusion=40.6kj/mol at 95 degee celsius
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