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a) Add 0.06g of NaOH (MW=40g/mol) to 1 L of acid solution to 0.01 M of carboxylic acid at pH3. What is final pH (no volume change)?
b) Calculate pH of 0.2 M acetic acid and 0.05M sodium acetate (mixture of equal volumes)
c) Calculate pH of 0.35 M glycine and 0.55 M HCL (mixture of equal volumes)
0,245g of the carbonate was found to exactly neutralise 23,6cm3 of HCl with a concentration of 0,150 mol/dm3.
Write the Oxidation Half Reaction and Write the Reduction Half Reaction
25.0ml of a 4.21M HCL solution at 25.2C and 50.0ml of a 2.2M NaOH solution at 25.2C are reacted together to give a temperature of 44.1C.
Calculate the heat absorbed by 15.0 g of water to raise its temperature from 20.0oC to 50.0oC at constant pressure. The specific heat of water is 4.18 J/g.oC
a sample of gas molecules has a temperature t1 and a root mean square velocity vrms1. a second sample of the same gas
What factor determines whether a carbon atom in a compound is chiral? Draw the Lewis structure for each of the following functional groups: alcohol, ether, aldehyde, ketone, carboxylic acid, ester, amine.
Pure olive oil has an iodine value of about 85. A very old sample or originally pure olive oil is found to have an iodine value of 55. Explain
One of the highest concentrations of peroxyacyl nitrates has been found in the Los Angeles (LA) basin at 30 ppb, reaching its peak at mid-afternoon. Most of the pollution in the LA basin is created in an area of only 3000 km^2
Write an equation, using the curved-arrow notation, for the acid-base reaction that will take place when each of the following are mixed. If no appreciable acid-base reaction takes place, because the equilibrium is unfavorable, you should so indic..
a common driving force in displacement reactions? a. precipitation b. evolution of a gas c. formation of a weak or nonelectrolyte d. the transfer of electrons
In the titration of a solution of a weak monoprotic acid with a .1325M solution of of NaOH, the pH was halfway to the equivalence point was 4.42.
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
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