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In a test tube containing a precipitate ofPb(OH)2 in water, will the ions from the salt havea reasonable concentration? Explain. What are the concentrations of the lead(II) and hydroxide ions in equilibrium with the solid? Showyour logic in detail.
Write the Complete Ionic Equation for the reaction between Magnesium Nitrate and Potassium Hydroxide
You add an excess of solid MX in 250 g water. You measure the freezing point and find it to be -0.028 degrees celsius. What is the Ksp of the solid. Assume the density of the solution is 1.0 g/cm^3.
Despite that allylic radical can have only 2 resonance structures versus 5 resonance structures for benzylic radical, why allylic radical benzylic radical in stability.
Calculate the final temperature when a 24.7 gram sample of ice at 0oC is placed into a styrofoam cup containing 126 grams of water at 78.0 oC. Assume that there is no loss or gain of heat from the surroundings.
The heat of reaction for the combustion of cyclobutane, C4H8, is 650.3 kcal/mol. What is the heat of combustion for cyclobutane in kcal/gram?
Assume you have a solution containing two volatile liquids. Given the data for liquid A: MM = 56.89 g/mole, partial pressure = 0.903 atm and for liquid B: MM = 14.52 g/mole, partial pressure = 0.995 atm
15.0 mL of 0.50 M NaOH is added to a 100.-mL sample of 0.376 M NH3 (Kb for NH3 = 1.8 x 10^-5. What is the equilibrium concentration of NH4^+ ions? The answer is 9.0 x 10^-5 M.
If 18.6 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution, what is the molar concentration of the ammonia?
How many moles of chloroform, CHCl3, are required to fill a 253-mL flask at 100.0°C and 940 torr?
This phenomenon has some very practical applications in the power plants, particularly nuclear power plants. How does this help the overall efficiency of a nuclear power plant?
Calculate the maximum mass of Be(s) (in grams) that can be deposited from BeCl2(l) melt by a current of 5.0 A that flows for 1.0 hour
n2f4sih4-gt2h2sif4n2if each reactant molecule in the above image represents 0.0157 mol and the reaction yields is 89
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