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Some AgCl(s) has been placed in a beaker of water. After some time, the solubility of Ag+ and Cl- was measured to be 2.5 x 10-5 M. Determine whether the system has reached equilibrium.
In a seperate trial the student puts 214 mL of the same liquid into the same flask at the same conditions. What will the pressure measure (in kPa) in the second trial?
If we add a solid aluminum cylinder to a graduated cylinder containing 19.2 mL of water, and the water level in the cylinder rises to 24.7 mL, what is the mass of the aluminum cylinder?
M.r eric castilo purchased alot for PH 1300000 and sold them 2 years later for PH1900000. At what rate did his money earn?
What is the molarity of your NaOH solution? 2) You are given an impure sample of oxalic acid dihydrate (MW=126.068 g/mole) and asked to determine the percent of oxalic acid dihydrate present in the sample.
A 1.30 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the mass percent, molality, mole fraction, and normality of the citric acid. Citric acid has three acidic protons.
C and dropped into a calorimeter containing water (specific heat capacity 4.18 J/ g C) initially at 20.2deg C. The final temperature of the water is 33.7 deg C. Caluclate the mass of water in the calorimeter.
what percent of the fuel consists of the lighter isotope? Assume that the masses of the two isotopes are exactly 235 and 238 amu.
The equilibrium constant Kp for the reaction CO(g)+Cl2(g) COCl2(g) is 5.62x10^35 at 25 degrees c. Calculate delta Gof for COCl2 at 25 degrees.
What was the initial temperature of the Cu metal If the final temperature of the Cu-H 2 O mixture was at twenty five degree celsius? (The specific heat of copper = 0.377 J/(g°C).)
Use the enthalpies of bond formation to rationalize why nitrogen forms a dimer and phosphorous a tetramer.
What is the pH of this solution? What is the concentration of the molecular species H3PO4?
The formula of carbon tetrachloride is CCl4. this means that 1 mole of C combines with 4 moles of Cl to form this compound. How many moles of Cl would be needed to react with 2 moles of C
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