Flask in order to achieve equilibrium
If the flask has a volume of 0.400 L, what is the minimum mass of PH3BCl3(s) that must be added to the flask in order to achieve equilibrium?
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Many pharmeceuticals are derived from piperazine. solutions of piperazine are basic (Kb1= 5.38x10*-6, Kb2= 2.15x10*-9)What is the pH of a 0.0185 solution of piperazine?
Solid sodium iodide is slowly added to a solution that is 0.0050 M Pb2+ and 0.0050 M Ag+. [Ksp (PbI2) = 1.4 × 10-8; Ksp (AgI) = 8.3 × 10-17] Calculate the Ag+ concentration when PbI2 just begins to precipitate.
What is the theoretical yield of aspirin if 175 kg of salicylic acid is allowed to react with 118 kg of acetic anhydride?
If the bottle is heated to 328k what will the pressure of oxygen gas be within the bottle and which law will you use to solve it?
A certain reaction has ?H equal to 11.57 kJ/mol. This reaction is normally run at room temperature (25?C). At what new temperature should the reaction be run so that K is twice its value at 25?C?
Two plane coaxial disks are separated by a distance L = 0.20 m. The lower disk (A1) is solid with a diameter Do = 0.80 m and a temperature T1 = 300 K.
What is the boiing point for each compound? The IMF is London Dispersion.
Assume that a particular reaction evolves 243 kJ of heat and that 28 kJ of PV work is gained by the system? What are the values of delta E and delta H for the system?
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