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Find the concentration of Hg22+ in 0.010 M KI saturated with Hg2I2. Include activity coefficients in your solubility-product expression. The Ksp of Hg2I2 is 4.6× 10-29.
A 27.0-g sample of water at 270. K is mixed with 49.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A 97 gram solution of silver nitrate contains 10 grams of AgNO3. What is the percent by mass of silver nitrate in this solution. Answer in units of %
What is the specific heat for the metal if It takes 48.0J to raise the temperature of an 8.60g piece of unknown metal from 13. Degree Celsius to 24.3 degree celsius?
Which of the following molecules are polar? (There may be more than one; choose ALL the polar molecules for full credit)
Draw the structures of the bases in DNA and indicate the H bonding interactions between the base pairs.
Calculate the cell potential after the following volumes of 0.1000 M Cr2+ is added to 50.00 mL of 0.1000 M Fe(CN)63-
element mercury has a density of 13.6 g/ml. how many kg of mercury could occupy a volume of 500ml?
Liquid octane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 9.1 g of octane is mixed with 22.7 g of oxygen.
Assuming that equilibrium has been reached, calculate Kc and Kp for the reaction.
what is the boiling point of a solution containing 2.33 grams of C8H10N4O2 , dissolved in 15 grams of benzene?
calculate w and delta e when one mole of a liquid is vaporized at its boiling point (80 degrees celscius) and 1.00 atm pressure. Delta H vaporization for the liquid is 30.7 kJ/mol at 80 degrees celscius.
If a solution is made by mixing 20.0 mL 0.4 M NaCH3COO with 30 mL 0.4 M CH3COOH, calculate the pH of the solution? For acetic acid, K = 1.76 x 10-5
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