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Consider a beaker containing a saturated solution of Pbl2 in equilibrium with undissolved Pbl2(s).
(a) If solid KI is added to this solution, will the amount of solid PbI2 at the bottom of the beaker increase, decrease, or remain the same?
(b)Will the concentration of IPb2+ ions in solution increase or decrease?
(c) Will the concentration of ions in solution increase or decrease?
mnbipyn32 is a coordination complexwith azide ion. what is the charge on the manganese? what is the overall charge on
Determine the absolute error and relative error in ppm CaCO3 associated with a single standardization and titration of an unknown CaCO3 solution
What are the major components of the mixture after acid-base equilibriums have been established if a) half a mol, b) 2 mol of sulfuric acid (H2SO4) are added to a solution of one mol ketone
Draw the enantiomer of cis-1-chloro-3-methylcyclopentane which is R at C-1. 1) What is the configuration of this molecule at C-3 (R and S)?
compare the pH of a .040 M HCl solution with that of a .040 M H2SO4 solution. (hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 X 10^-2)
Problem- Iodine-131 is used in the diagnosis and treatment of thyroid disease and has a half-life of 8.0 days. If a patient with thyroid disease consumes a sample of Na131 I containing 10. ?g ^131I, how long will it take for the amount of ^131I to..
determine the average separation distance between the quantum dot and an adjacent gold nanoparticle for the molecular beacon (in the absence of the target sequence).
A small organic molecule required by an enzyme in order for the enzyme to be a functional catalyst is known as a vitamin. Lipids that are solids at room temperature tend to have more double bonds than liquids at room temperature
What mass of ice can be melted with the same quantity of heat as required to raise the temperature of 4.00 by 55.0?
Calculate the final temperature of 204 mL of water initially at 35 degrees C upon absorption of 18kJ of heat.
Consider a solution containing 0.100 M fluoride ion and 0.126 M hydrogen fluoride. The concentration of hydrogen fluoride after addition of 5.00 mL of 0.0100 M HCl to 25.0 mL of this solution
What is the effect of a temperature change from 205 K to 32 degrees Celsius and a pressure change from 2 atm to 101 kPa
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