Reference no: EM13175650
1. An aqueous solution of nickel acetate is electrolyzed for 3 hours with a 1.8 ampere current. What mass of nickel is produced?
2. How many liters of F2 at STP could be liberated from the electrolysis of molten NaF under a 2.16 ampere current for 60.0 minutes?
3. How long would a constant current of 18.0 amperes be required to flow in order for 9000 coulombs of charge to pass through a cell?
4. Molten AlCl3 is electrolyzed for 5.0 hours with a current of 0.40 ampere. Metallic aluminum is produced at one electrode and chlorine gas, Cl2, is produced at the other. How many liters of Cl2 measured at STP are produced at the other electrode.
5. How many minutes would a 5.00 ampere current have to be applied to plate out 8.00 grams of copper metal from aqueous copper(II) sulfate solution?
6. Calculate the cell potential for the following voltaic cell. Cr/Cr3+(1.0x10^-2 M)//Co2+(1.0x10^-5 M)/Co
7. Calculate the [H+] for the hydrogen half-cell of the following voltaic cell if the observed cell voltage is 2.02 V. Mg/Mg2+(1.00 M)//H+(? M), H2(1.00 atm)/Pt
8. Calculate the pH for the hydrogen half-cell of the following voltaic cell if the observed cell voltage is 1.00 V. Mn/Mn2+(1.00 M)/H+(pH=?), H2(1.00 atm)/Pt
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Define how many rads does the person receive
: A 68-kg person exposed to thorium-234 receives 5.0x10^4 B particles, each with an energy of 3.0x10^-14 J. How many rads does the person receive?
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Determine excess demand
: Recent increases in rents have caused the citizens of Elmville to vote for a rent ceiling of $1200. Assuming all rental units in Elmville are identical and the supply and demand for rental units are given by Qs = -1000 + 20P Qd = 50000 - 10P
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Describe petroleum is a fossil fuel
: Petroleum is a fossil fuel containing many different carbon compounds. If the carbon atoms in petroleum have been in the ground for 325 million years
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What is the optimal effluent fee
: What is the optimal effluent fee? b. If the cost of pollution control falls by $1 billion at each level of pollution, does this alter your answer to part (a)?
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Define what mass of nickel is produced
: An aqueous solution of nickel acetate is electrolyzed for 3 hours with a 1.8 ampere current. What mass of nickel is produced?
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Determine the demand curve for the product
: What is the own price elasticity of demand when Px = $240? Is demand elastic or inelastic at this price? What would happen to the firm's revenue if it decided to charge a price above $240?
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Estimate the age of a bottled wine that has a tritium
: Estimate the age of a bottled wine that has a tritium, 3^H, content 65.% that of freshly bottled wine. Tritium decays by beta decay and has a half life of 12.3 yr.
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Describe charcoal found under a stone at stonehenge
: Charcoal found under a stone at Stonehenge, England, has a carbon-14 activity that is 0.50 that of new wood. How old is the charcoal? (The half life of carbon-14 is 5,730 years.)
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How might schools respond to new education funding system
: What is likely to happen to the proportion of schoolchildren classified as "disabled" and why? B. Since the diagnoses of many disabilities are to some extent subjective, how might schools respond to the new education funding system?
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