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Draw a concentration cell for 0.10 M Cu2+ and 2.0 M Cu2+ cell, show the following on each compartment clearly.
(a) All the component of each cell, including the concentrations in anode and cathode half cells.(b) Mark the cathode and the anode(c) Write the reaction that occurs in each cell under the cell(d) The direction that electrons are transferred.(e) The complete reaction, include the concentrations
The surface area of the nail is 8.59 cm. The density of the zinc is 7.13 g/cm3 how many zinc atoms are used in the coating?
The solvent for an organic reaction is prepared by mixing 60.0 of acetone () with 56.0 of ethyl acetate (). This mixture is stored at 25.0 . The vapor pressure and the densities for the two pure components at 25.0. What is the vapor pressure of th..
0.50 of hydrogen chloride () is dissolved in water to make 5.5 of solution. What is the of the resulting hydrochloric acid solution?
Dry ice is solid carbon dioxide. A 0.149 g sample of dry ice is placed in an evacuated 4.77 L vessel at 26.0 degree C. calculate the pressure inside the vessel after all the dry ice has been converted to CO2 gas
How much heat is required to vaporize 18.5g of water at 100c. The heat of vaporization of water at 100c is 40.7kj/mole.
30 mL of 0.25 M acetic acid are titrated with 0.05 M KOH. What is the pH after addition of 75 mL KOH
Which combination of atoms is most likely to produce a compond with covalent bonds?a) K and Brb) Al and Sc) S
An aqueous solution of lead nitrate, Pb(NO3)2, is mixed with one of sodium cromate, Na2CrO4, resulting in the formation of a percipitate of lead chromate.
A specific steroid has ?max = 213 nm and molar absorptivity ? = 11,500. What is the concentration of the compound in a solution whose absorbance at 213 nm is A = 0.060 with a sample pathlength of 1.00 cm?
250 ML of a saturated aqueous solution of CaF2 at 25 degrees celsius is found to contain 0.0040 g of dissolved CaF2. Find Ksp of CaF2 in water at 25 degrees celsius.
What is the total pressure, in mm Hg, of a gas mixture containing argon gas at 0.25 atm, helium gas at 350 mm Hg, and nitrogen gas at 360 torr
10 M solution of chloroacetic acid, ClCH2CO2H, has a pH of 1.95. calculate Ka for the acid.
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