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if 0.100 m NaCl is added slowly to a beaker containing both .120m AgNO3 and .150m Pb(NO3)2 at 25 celsius which will precipitate first AgCl or PbCl2?
A gas sample is held at constant pressure. The gas occupies 3.26L of volume when the temperature is 51.6 F . Determine the temprature at which the voloume of the gas is 3.45 L.
How much heat in Kilojoules must be removed from a glass of water that contains 100G if water to lower its temperature from 30C to 15C.
Hydrogen chloride gas can be prepared by the following reaction: 2NaCl(s)+H2SO4(aq) 2HCl(g)+Na2SO4(s) How many grams of HCl can be prepared from 2.00 mol H2SO4 and 150g NaCl.
What is the compounds molar mass if the density of a gaseous compound of phosphorous is 0.943g/L at 474K when its pressure is 728 torr.?
If a buffer solution is 0.440 M in a weak acid (Ka = 1.0 × 10-6) and 0.230 M in its conjugate base, what is the pH?
Calculate total and individual w, q, ΔU, ΔH, and ΔS of an Otto engine operating on stoichiometric ethanol - oxygen gas mixture, with cylinder volume of 1 l and compression ratio of 18:1.
The vapor pressure of pure water at 70°C is 240. mm Hg. What is the vapor pressure depression of a solution of 150. g of the antifreeze ethylene glycol, C2H6O2, a nonvolatile compound, in 215 g of water?
Calculate the final temperature of the solution has a specific heat capacity =4.18 J/°C · g. assuming no heat lost
a gas cylinder witha volume of 3.00 dm^3 contains 8.00 moles of oxygen gas at a temperature of 50.0k. what is the pressure inside the cylinder.
What is the molarity of a solution prepared by dissolving 13.1 g of glucose (of MW 180 amu) in 217 mL of solution?
The solubility product of PbBr2 is 8.9 X 10^(-6). Determine the molar solubility in the pure water.
A 20.0 ml sample of 0.200 M K2CO3 solution is 30.0 ml of 0.400 M Ba(NO3)2 solution. Barium Carbonate precipitates. The Concentration of barium ions, Ba^2+, in solution after reaction is?
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