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A solution is prepared by mixing 50.0 mL of 0.29 M Pb(NO3)2 with 50.0 mL of 1.9 M KCl. Calculate the concentrations of Pb2+ and Cl ? at equilibrium. Ksp for PbCl2(s) is 1.6 x10-5.
at 1000 k a sample of pure no2 gas decomposes.2 no2g 2 nog o2gthe equilibrium constant kp is 158. analysis shows that
from the experimental data we obtain i- directly. to obtain ksp for pbi2 we must calculate pb2 in each equilibrium
Calculate the osmotic pressure( in atm) of each of the following aqueous solutions at 20.00 degree C: a. 1.59 M methanol (CH3OH)
write the molecular and net ionic equation for when AgNO3 and Na2CO3 are mixed. Then write the net ionic equation when each of the following stresses are applied to the same mixture.
Which of the following best describes carbon dioxide (CO2) at room temperature and pressure A) polar molecular gas B) nonpolar molecular gas C) covalent network solid D) ionic solid E)metallic solid An explanation of why would be great too
Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 1.695-g sample of Mg metal is added to 125.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. What mass of H2 is formed
A gas expands and does P-V work on the surroundings equal to 259 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
At 2000 degrees Celsius the equilibrium constant for the reaction 2NO (g) N2 (g) + O2 (g) is Kc=2.4x10^3 The initial concentration of NO is 0.174 M
Why must the spot applied to a TLC plate be above the level of the developing solvent
If the pressure is measured at a temperature of 25.0 °C, then the volume of the tank must be ___ liters. (Round your answer to one decimal place and do not include units with the number.)
Calculate the corresponding Bohr's orbit radius. - Calculate and compare the probabilities for the electron to be at distances larger and smaller than this value.
What are the consequences of removing some of the phase transfer catalyst along with the hot reaction mixture after refluxing. a)The phase transfer catalyst acts to remove small amounts of water from the mixture leading to increased purity
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