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What is the [Ag+] in a solution at equilibrium when ammonia gas is bubbled through a solution that is 0.023M in AgNO3 until the concentration of ammonia is 0.20M? Assume that the addition of ammonia does not affect the volume.Kf for Ag(NH3)2+(aq) = 1.7 x 107.
1.35 x 10-96.76 x 10-93.38 x 10-8M2.96 x 10-7M5.41 x 10-13
KCL has the same structure as NaCl, the length of the unit cell 638 pm the denstiy of KCl is 1.984 g/cm3 and its formula mass is 74.55 amu. what is avogadro's number?
How much heat (in ) is required to warm 12.0 of ice, initially at -12.0, to steam at 114.0? The heat capacity of ice is 2.09 and that of steam is 2.01 .
There are two carboxylic acid functions in 3-nitrophthalic acid. The pKa of the acid function is at the 2-position is approximately 2, whereas that at the 1- position is about 3. Which of the two is the more acidic and why
The values of the specific rotation, [alpha]20D, for the alpha and beta anomers of D-galactose are 150.7 and 52.8 degrees, respectively. A mixture that is 20% of alpha-D-galactose and 80% beta-D-galactose is dissolved in water at 20 degrees C.
a solution formed by dissolving 166.6 grams of common table sugar in 686.2 ml of h2o. compute the vapor pressure at 25
From the Bohr model of the hydrogen atom, what can we conclude about the energy required to excite an electron
What is a significant obstacle when using osmometry to determine molar masses for compounds with very high molar masses? A. The osmotic pressures may be too high to measure.
For each of the following mixtures, put an X next to those in which a reaction will occur. potassium bromide and chlorine sodium chloride and bromine potassium iodide and bromine potassium iodide and chlorine sodium bromide and iodine sodium chlor..
Carbon tetrachloride, CCl4, is nonpolar. What forces hold the molecules together?
the equilibrium constant kp for the reactioncog h2og -gt co2g h2gat 986degc is 0.63. a rigid cylinder at that
When backpacking in the wilderness, hikers often boil water to sterilize it for drinking. Suppose that you are planning a backpacking trip and will need to boil 40 of water for your group
How much heat is produced in burning 5 mol of CH^4 under standard conditions if reactants and products are brought to 298 K and H20(l) is formed
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