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Joe constructs an electrochemical cell with the following material: Nickel metal in 0.1M nickel nitrate solution Copper metal in 0.1M copper nitrate solution The solutions are joined by a simple salt bridge. The nickel corrodes and the copper plates on during operation of the cell. Answer the following question: What is the cell voltage?
a. 0.24 volts
b. 0.43 volts
c. 0.57 volts
d. 0.64 volts
e. 0.87 volts
Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no reaction occurs
What fraction of the SbO+ will be reduced to the elemental (Sb) state under the experimental conditions imposed in part (a)?
Titration of the lead and zinc in this aliquot required 34.06 mL of the EDTA solution. Finally, cyanide was used to mask the copper and the zinc in a 25.00 mL aliquot. Titration of the lead required 26.68 mL of the EDTA solution. Determine the com..
The values of the specific rotation, [alpha]20D, for the alpha and beta anomers of D-galactose are 150.7 and 52.8 degrees, respectively. A mixture that is 20% of alpha-D-galactose and 80% beta-D-galactose is dissolved in water at 20 degrees C.
The distribution constant for x between n-hexane and water is 9.6 Calculate the concentration of x remaining in the aqueous phase after 50ml of x are treated by extraction with the following quantities of n-hexane:
What is the total volume of gaseous products formed when 198 liters of propane (C3H8) react completely according to the following reaction? (All gases are at the same temperature and pressure.) propane (C3H8) (g) + oxygen (g) --> carbon dioxide (g..
How much heat is required to raise the temperature of 7.50 grams of water from 10 degrees celcius to 55 degrees celcius
a separatory funnel is used in this method of separating liquids . f. liquid is allowed to evaporate, leaving the solid behind c. element
This race is a challenge to the human organism! By what percentage does the oxygen number density decrease between the start and the finish of the race?
The smallest sample of carbon atoms that can be observed with the naked eye has a mass of approximately 2 x 10-8 g. Given that 1 g = 6.02 x 1023 amu,
KEtones also undergo the aldo condensation, although a succesful reaction often requires "enhanced" conditions, since the addition involves an unfavorable equilibrium constant.
Someday, cars may be powered by clean H2/O2 fuel cells and electric motors. Under standard conditions, such a fuel cell can develop 1.229 volts. If the oxygen is obtained from air (at P=0.21 bar), what pressure of H2 would be required to develop 1..
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