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If you have 25 mL of a standard 1 mg/mL CaCO3 solution, how many mLs of the 0.010 M solution do you expect to use in the titration?
160 mL that contains 400 mg of NH3 and 980 mg of NH4NO3. (Given: Kb (NH3) = 1.8 x 10-5
Allyl sulfide, C6H10S, is a compound that has the odor of garlic. How many sulfur atoms are in 23.2 g of C6H10S?
50.50 mL of 0.116 M HF is titrated with 0.1200 M NaOH. What is the pH after 50.50 mL of base have been added? The Ka for HF is 6.8 x 10-4
A synthetic organic chemist wants to make 100.0 grams of benzoyl chloride C7H5OCl from benzoic acid C7H6O2 in the following reaction.
Describe the intermolecular force that must be overcome in converting the following from a liquid to a gas.
At a certain temperature, Keq = 150. Calculate the concentrations of Fe 3+ and SCN- in a solution that has an equilibrium FeSCN2+ concentration of 4.5 X 10^-5 M using the equation . Assume the equilibrium concentrations of Fe3+ and SCN- are equal.
a 2.00-g sample of white solid was vaporized in a 345-ml vessel. if the vapor has a pressure of 985 mmhg at 158degc
How do you calculate the coulomb energy of interaction when doing the dissociation energy of an ionic compound. Particularly for the KF molecule
calculate the energy leaving with water. Solve this problem with the use enthalpy of the product stream
a thermodynamic study of DyCl3 determined its standard enthalpy of formation from the following information. Determine delta (subscript f) H for DyCl3 from the following reaction enthalpies
an electrochemical cell is created using gold and magnesium half-cells.a. determine which half-cell will undergo
What volume of hydrogen gas is produced when 68.4 g of iron reacts completely according to the following reaction at 25 C and 1 atm iron (s) + hydrochloric acid (aq)--------- iron(II) chloride (aq) + hydrogen (g)
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