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Are all reactants and/or products in a chemical reaction necessarily represented in the equilibrium expression? Why or why not?
Explain the processes that lead to chemical equilibrium. Are all completed chemical reactions in chemical equilibrium?
Determine the volume, in mL, of 2.00 M HC2H3O2 required to prepare each of the following solutions: 0.20 M acetic acid, and 0.020 M acetic acid.
The solubility of AgCl (s) in water at 25 degrees celsius is 1.33 X 10^-5 mol/L and its change in enthalpy of solution is 65.7 kJ/mol. What is its solubility at 54.8 degrees celsius
When a molecule has two, degenerate, "infrared active", vibrational modes, the two vibrational modes will show absorptions at different frequencies in the infrared spectrum.
What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 19.0 L of water to produce an antifreeze solution with a freezing point of -34.0°C
sulphur dioxide so2 is an unwelcome result of burning soft coal in power plants. some of the so2 ends up as sulfuric
An unknown metal with a mass of 100 g was heated to 100 C and placed into 30.0 g of water that had a temperature of 20.2 C. The final temperature of both substances
a graduated cylinder contains 110. ml of water. a 10.0 g piece of iron density 7.86 gcm3 and a 18.9 g piece of lead
Electrolysis is carried out on a solution of silver nitrate for 2.00 h. The platinum cathode, which has a mass of 25.0782 g, weighs 25.2794 g after the electrolysis. The platinum anode weighs the same before and after the electrolysis.
If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa.
Which geometry and central atom hybridization would you expect in the series BH4-, CH4, NH4+? (b)What would you expect for the magnitude and direction of the bond dipoles in this series
How low would the blood glucose concentration have to fall to decrease the rate of glucose phosphorylation in the erythrocyte to 90% of Vmax
Calculate the molar solubility and the solubility of iron (II) hydroxide in pure water then in 0.125M NaOH(aq).
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