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What is the anode reaction during electrolysis of neutral aqueous copper(II) sulfate using inert electrodes?2H2O + 2e- H2 + 2OH-2H2O O2 + 4H+ + 4e- 2SO42- S2O82- + 2e-Cu2+ + 2e- Cu
If a reaction mixture initially contains 486 of and 261 of , what is the mole fraction of when equilibrium is reached.
a solution contains 55 grams of ascorbic acid in 250 g of water freezes at -2.34 degrees C. calculate the molar mass of the solute
A total charge of 96.5 kC is passed through an elctrolytic cell. What mass of silver metal will be produced from a silver nitrate solution?
If a 220 mg piece of gold (density =19.32 {rm g}/{rm cm}^{3}) is hammered into a sheet measuring 2.5times1.0 {rm ft}, what is the average thickness of the sheet in meters?
what amount of heat is produced? The specific heat of aluminum is 0.90J/g C?
a piston has an external pressure of 10.0 atm. How much work has been done is the cylinder goes from a volume of 0.180 liters to 0.630 liters
a 0.0100 l sample of h2so4 sulfuric acid was titrated with 0.150 m naoh. it took 23.3 ml of naoh from the buret --
The density of an unknown gas is 4.00 grams per liter at 4.00 atmospheres pressure and 127 degrees C. What is the molecular weight of the gas?
If 72.4 kJ of heat is supplied to a 852 g block of metal, the temperature of the metal increases by 9.6°C. Calculate the specific heat capacity of the metal in J/g·°C.
the fact that the number of each type of atom on each side is equal is related to the law of conservation of mass.
The heat of vaporization of a substance is 2800 J/g at its boiling point of 219 degree C. How much of this substance can be vaporized if 62800 J energy are available?
Write the cell notation for a voltaic cell with the following half-reactions.
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