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What alkyne (or diyne) yields the following oxidative cleavage products? CO2+CH3(CH2)8CO2H
A voltaic cell is constructed from an Ni^2+(aq)-Ni(s) half-cell and an Ag^+(aq)-Ag(s) half-cell. The initial concentration of Ni^2+(aq) in the Ni^2+-Ni half cell is [Ni^2+] = 1.1*10^-2M.
The following reaction is investigated (assume an ideal gas mixture): 2N2O(g) + N2H4(g)-> 3N2(g) + 2H2O(g) Initially there are 0.10 mol N2O and 0.25 mol N2H4, in a 10.0 L container. If there are 0.06 mol of N2O at equilibrium, how many moles of N..
Consider the titration of 30.0 ml of 0.048 M NH3 with 0.025M HCl. Calculate the pH after the following volumes of titrant have been added.
Calculate the total calories absorbed from the surroundings. D. ?H for Solution of KCl(s) in water: ?T for reaction D: -4°C Mass of KCl: 5.00 g Volume of water: 0.050 L
Calculate the partial pressure of each gas and the total pressure after the valve between the flasks is opened. P(He) in mmHg P(Ar) in mm Hg Ptotal in mm Hg
Application of Avogadro's law - To evaluate the volume of a gas using Avogadro's Law.
How long would a current of 100.0 amp need to be passed through a AlF3 electrolysis cell to produce 40.0 g of aluminum metal?
Calculate the mass percent of a solution that is prepared by adding 32.2 g of NaOH to 262 g of H2O.
At what temperature will a sample of nitrogen gas with a volume of 328 mL at 15°C and 748 mmHg occupy a volume of 0.898 L at a pressure of 642 mm Hg? Assume the amount of the nitrogen gas does not change.
If the half-life of a first-order reaction is 4.609 hours what is the instantaneous rate of the reaction in M/day when the concentration of A equals 0.251 M?
Silver chloride, often used in silver plating, contains 75.27% Ag by mass. Calculate the mass of silver chloride required to plate 155 mg of pure silver.
How long would it take to electrodeposit all the Cu2+ in 0.200 L of 0.250 M CuSO4 solution with an applied potential difference of 0.270 V and a current of 3.55 amperes. Enter your answer in minutes.
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