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A galvanic cell is constructed using the Cu/Cu2+ and Cr3+/Cr2O7 2- redox couples.
a) State the reduction half reaction for the redox couple that would be the cathode.
b) State the reduction half reaction for the redox couple that would be the anode.
c) State the net balanced redox reaction.
Sketch all structural isomers of C4H2 which contain C-rings. Although none of these ring-structure isomers are stable do to extreme "ring strain", which do you expect to show the most "ring strain"? Why?
How many milliliters of a 305 mL solution of 1.5 M AlCl3 must be used to make 75 mL of a solution that has a concentration of 0.41 M Cl
A sample of unknown hydrate of FeCl3 weighs 8.693g. After heating the sample to constant mass, the remaining anhydrous salt weighs 5.216g. What is the experimental formula for the hydrate
A 19 mL sample of a solution of Li2S was diluted with water to 81 mL. A 25 mL sample of the dilute solution was found to contain 0.9 M Li+. What was the concentration of Li2S in the original undiluted solution
A sample of Hydrogen gas was collected over water at 21 degrees C and at a pressure equal to the atmospheric pressure of 748 mmHg. The volume of the sample was 512 ml. How many grams of the H2 are in the sample. The vapor pressure of water at 21 d..
For each of the reactions, calculate the mass (in grams) of the product formed when 15.51g of the underlined-?vAssume that there is more than enough of the other reactant.
pure acetic acid known as glacial acetic acid is a liquid with a density of 1.049 gmol at 25 c. calculate the molarity
task 1 for the reactions below write a balanced equation. draw the reaction mechanism. justify the species involved as
compound be meso if it only has one chiral center? For example, is 1-chloro-1-methylcyclohexane a meso compound?
Weigh 3.503g of NaC2H3O2*3H2O and add it into a 150mL beaker. Pour in 8.8 mL of 3M acetic acid. Pour in 55.6 mL of distilled water and add it to the mixture and stir the solution.
The ball travels straight upward. In the absence of air resistance, to what maximum height above the ground does the ball rise
The vapor pressure of water at 29 ^circ rm C is 30.0 rm torr. What is the mass percentage of aluminum in this alloy?
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