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Would you expect a carboxylic acid group within the water-free interior of a protein to have a higher or lower Ka than it would have if it occured on the protein's surface, where it is hydrated. I think it is higher due to the oxygen H-bonding with the water.
A mixture consisting of 50 grams of ethanol and 50 grams of water is distilled using an efficient column. How much water will remain in the distillation flask the instant all of the azeotrope
Calculate tthe freezing point in centigrade units of a soluiton consisting of 685 grams of ethylene glycol dissolved
Answer the questions below with the data provided: 15 mL of 5% NaOH (w/v) is used to deprotonate the unknown carboxylic acid. The TBME is washed with an additional 10 mL of the NaOH solution and then 20 mL of water which are all combined.
Under these conditions, the half-life of the reaction has been estimated to be 6.4 103 min. What would the half-life be if the initial concentration of NO were 13 ppm?
The titration of 0.7910 grams of an unknown weak acid requires 41.5 mL of 0.139 M NaOH in order to reach the equivalence point.
Draw and label the Crystal Field splitting diagram for the 3d atomic orbitals in an octahedral field
Calculate the amount of heat energy in joules required to heat 50.0g of each substance from 25.0 c to 37.0 c
Which two reagents below would you choose to synthesize 3-ethyl-2-phenyl-2-pentene using the Wittig procedure? (triphenylphosphine, solvents, and a base are provided)
an antifreeze solution prepared by mizing equal volumes of ethylene glycol, C2H6O2 (density 1.12g/cm^3) with water (density 1.00 g/cm^3). Estimate the freezing point of the mixture
An unknown acid has a molar mass of 90. g/mol and a mass composition of, 40%-C, 6.7%-H, and 53.3% -O. What is the molecular formula of the acid
Calculate the pH of the solution that contains following compounds. Some relevant Ka values are Ka(CH3COOH)=1.7 X 10 ^-5, Ka(HNO2)=7.2X 10^-4, and Ka(NH4+) = 5.6 x 10^-10.
Using the values for the heat of fusion, specific heat of water, and or heat vaporization, calculate the amount of heat energy in each of the following
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