What is the concentration of hydrogen ions
What is the concentration of hydrogen ions in a solution containing 0.321 M HOCN (cyanic acid) and 0.223 M (NaOCN) (sodium cyanate)? The ionization constant of cyanic acid is 3.5 × 10-4.
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As molecules move up fractional distillation column, they condense and then revaporize. Durring which of these steps is the concentration of the more volatile compund of the mixture increased? Why?
The following reaction takes place in a sealed 40 L container at a temperature of 120 degrees Celsius. 4NH3(g) + 5O2(g) 4NO(g) + 6H2O(g).
One kg of water vapor at 200 kPa fills the 1.1989 m^3 left chamber of a partitioned system. The right chamber has twice the volume of the left and is initially evacuated.
Write the structural formula and the name of the organic product that would result from the hydrogenation (addition of hydrogen) reaction of propene.
Write the name and the structural formula of the organic product that would result from the reaction below. Don't forget the Markovnikov's rule.
A solution is prepared by dissolving 1.98 g of an unknown nonelectrolyte in 21.00 g of cylcohexane (tf = 6.6 oC and kf = 20.0 oC/m). What is the molar mass of the unknown compound if the solution has a freezing point of -6.4 oC?
Consider the titration of 100.0 mL of 0.200 M acetic acid (Ka = 1.8 10-5) by 0.100 M KOH. Calculate the pH of the resulting solution after the following volumes of KOH have been added.
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