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acetic acid is a weak monoprotic acid. it is the active ingredient in vinegar. if the initial concentration of acetic acid is .200 M and the equilibrium concentration of h3o+ is .0019 M, calculate Ka for acetic acid.
A 25.35g piece of iron and a 27.40g piece of gold at 100C were dropped into 920ml of water at 19.45C. The molar heat capacities of iron and gold are 25.19 J/(mol C) and 25.41 J/(mol C). What is the final temperature of the water and pieces of meta..
When 12.0 mL of a 2.89E-4 M barium acetate solution is combined with 18.0 mL of a 5.24E-4 M sodium carbonate solution does a precipitate form
Draw the skeletal structure for major organic product produced when the arene given reacts with 2 equivalents each of Na and HOCH3.
A gas chromatogram of the organic components of a sample of beer using a column that separates compounds on the basis of their relative boiling points provides a GLC trace with several peaks. Two of the smaller peaks, with retention times of 9.56 ..
Write balanced net ionic equation for the neutralization of equal molar amounts of KOH and HClO_4
Calculate ground state energy, 1st excited energy level, and wavelenght of an electronic transition between the 2 lowest energy states for an electron
In water, every sulfuric acid molecule transfers H+ to water and becomes an HSO4 - ion. Some HSO4 - ions give off another H+ to form SO4 -2 ions. Which statement is true?
Assuming electrons with quantum numbers (n,l,mt,ms), how does an electron with the quantum numbers (2,1,1+1/2) differ from an electron with quantum numbers (2,1,-1,+1/2)?
Titanium(6.94x10^-19 J and silicon (7.77x10-^19 J) surfaces are irradiated with UV radiation with a wavelength of 245 nm. what is the wavelength of the electrons emitted by the titanium surface
Find out the concentration of this solution in a)M (molarity), b) m (molality), c) % w/w (percent by mass). If solvent =, H 2 O.
How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr.
What is the volume percent of a solution prepared by dissolving 43 g of NaOH in enough water to make a final volume of 120 mL? Show your work.
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