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1.The solution of benzoic acid, C6H5COOH, in water at 25degrees C is 2.9g/L. The pH of this saturated solution is 2.92.Determine Ka at 25 deg C for benzoic acid.2. A 0.00650 M solution of ethanolamine, H2NCH2CH2OH,has a pH of 10.64 at 25 deg C. calculate the Kb of ethanolamine.what concentration of undissociated ethanolamine remains at equilibrium?3. A solution of a monoprotic acid, HA, at equilibrium is found tohave a 0.0208 M concentration of nonionized acid. the pH of theacid solution is 2.17. Calculate the initial acid concentration and Ka for this acid.
Calculate the concentration of iron (II) chloride contaminant in the original groundwater sample. Round your answer to significant digits.
Calculate the change in chemical potential of an ideal gas when its pressure is increased isothermally from 1.8 atm to 29.5 atm at 40 C.
Why does aluminum hydroxide readily dissolve in concentrated NaOH but not in concentrated NH3. Please give a thorough explanation, not just a short answer.
Which sample contains the largest number of molecules?
Calculate the expected change in temperature for 1.7 g of NH NO dissolved in 50.0 2 cal mL of H O. Assume that the calorimeter absorbs no heat. (ie. C =0)(Remember to use dimensional analysis
Show each step of the formation of the most likely hydroperoxides from the metal catalyzed oxidation of linoleic acid
The Ka for the dissociation of Aspirin in aqueous is 3.3 x10-4 at 25?C. If the initial concentration of Aspririn is 0.005M and using equilibrium reaction below calculate the concentration of Hydronium ion and the concentration of the conjugate bas..
Ethylene does not polymerize at ordinary pressures under conventional free radical processes. Why is this
What is the Brownian diffusivity of a 0.2 um (micrometer) particle in air? Assume T = 293 K and P = 1 atm.
what is the chemical formula for this salt? B- a brown colored salt contains a cation from group 3, it has no reaction with concentrated H2SO4 and produces a soluble product with acidic AgNO3 and acidic BaCl2, this salt is not water soluble. What ..
why the no. of electron changes by one or increases by one in
Clancy the dog ingested 50 mL of 50% methanol. How much of 12% ethanol wine must Clancy consume in order to lower the activity of his ADH on methanol to 5% of it's normal value if the Km values of canine ADH for ethanol and methanol are 1 millimol..
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