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Problem- What is the potential of a cell made of Zn / Zn+2 and Cu / Cu+2 half cells at 25 C, if Z+2 = 0.31 M and Cu+2= 0.81 M
Please show the entire work. I am thanking you in advance
0.506-kg chunk of ice at 0.0 degrees Celsius is added to an insulated container holding 315ml of water at 20.2 degrees Celsius. Will any ice remain after thermal equilibrium is established
The Ksp of calcium carbonate, CaCO3, is 3.36 × 10-9. Calculate the solubility of this compound in g/L.
The volume of HI(aq) required to reach the equivalence point : (1c) The pH at the half-neutralization point. (1d)The pH at the equivalence point.
a styrofoam cup holding 116 g of hot water at 1.00 102degc cools to room temperature 16.1degc. what is the change in
The electrolysis of molten A12O3 at 980 ºC is used to produce metallic aluminum. A current of 777 A is used in the electrolysis cell. What is the rate of formation of aluminum, in kilograms per hour
Question- Calculate E°cell for each balanced redox reaction and determine whether the reaction is spontaneous as written.
The initial concentration of a reactant in the first order is .28M. The rate constant for the reaction is.75s^-1. What is the concentration of the reactant after 1.85s?
Example: Determine the solubility of calcium fluoride at 25C. And Be sure to note the difference between Solubility and Solubility Product Constant ! What could we do to change the system and produce a precipitate?
Problem- If the pH of a 1.5-in. rainfall over 1600mi2 is 3.1, how many kilograms of H2SO4 are present, assuming that it is the only acid contributing to the pH?
A 1.241-g sample of a solid, weak, monoprotic acid is used to make 100.0 mL of solution. 50.0 mL of this solution was titrated with 0.08126-M NaOH. The pH after the addition of 30.29 mL of base was 4.86, and the equivalence point was reached with ..
If it takes 75.0 min for the concentration of a reactant to drop to 20% of its initial value in a first-order reaction, what is the rate constant for the reaction?
Differentiate between the dfferent bond types of orbital overlap required to obtain a sigma bond and pi bonds
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