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What is the molar solubility of PbI2 in water? For PbI2, Ksp=7.9x10-9. You may assume that the ions do not form ion pairs in solution.
Hydrochloric acid HCL, completely ionizes when dissolved in water. Calculate the PH of a solution containing
How many bonds and how many lone pairs are around the sulfur of SO3? a double or triple bond counts as one bond
When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling. Explain why it is not necessary to know the w..
What is the volume of 295 mL of a sample of gas at 52.0°C and 710. mm Hg if the conditions are adjusted to STP
Draw the structure of an alkane or cycloalkane that has more than three but fewer than ten carbon atoms, and only primary hydrogens.
The hydrogen gas formed in a chemical reaction is collected over water at 30 at a total pressure of 727 .What is the partial pressure of the hydrogen gas collected in this way
For the reaction of phosphorous acid (H3PO3) and potassium hydroxide (KOH), write (a) the balanced molecular equation, (b) the ionic equation and (c) the net ionic equation.
You are told that K=3.76x10^-5 for I2(g)=2I(g) at 1000K. You begin an experiment by injecting 1.00 mole of I2 into a 2.00 liter box at 1000K. When the system comes to equilibrium, what will be the concentration of I2 and I in the system at equilib..
The ratio of effusion of an unknown gas is measured to be 24.0ml/min. Under the same conditions, the rate of effusion of pure methane gas is 47.8ml/min. What is the unknown gas?
Consider 0.10 M solutions of the following substances. Rank the solutions in order of increasing pH where 1 is the solution with the lowest pH and 7 is the solution with the highest pH.
Dry air at 1.0 atm is passed over a high voltage electric discharge (~15,000v) to convert 0.85% O2 to O3. The ozonized air is then euilibrated withwater at 25 degrees celcius in a vessel which contains
What would be the expected CNMR, HNMR, and IR spectra for lidocaine, 2,6-dimethylaniline, and alpha-chloro-2,6-dimethylaniline?
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