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Problem- Metal plating is done by passing current through a metal solution. For example, an item can become gold plated by attaching the item to a power source and submerging it into a Au3+ solution. The item itself serves as the cathode, at which the Au3+ ions are reduced to Au(s). A piece of solid gold is used as the anode and is also connected to the power source, thus completing the circuit.
What mass of gold is produced when 5.00A of current are passed through a gold solution for 35.0min?
Express your answer with the appropriate units.
mass of Au =
Write your solution in appropriate format and provide references
When a strong base is added to a solution of CuSO4, which is pale blue, a precipitate forms and the solution above the precipitate is colorless. The net chemical equation is Cu(2+)(aq) + 2OH(-)(aq) --> Cu(OH)2(s)
The initial pH. the volume of added base required to reach the equivalence point the pH at 12.0 mL of added base
Sodium carbonate (Na2CO3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 2.01×10^3kg of sulfuric acid solution
The total mass of the car plus sand is 85,000 . The hopper door is not fully closed so sand leaks out the bottom. After 18.0 minutes, 1.34×104 of sand has leaked out. Then what is the speed of the railroad car?
Using the Maxwell-Boltzman function, calculate the fraction of Argon gas molecules with a speed of 305 m/s at 500 K. Please show all of your work and all of your derivations.
In the iodination of vanillin, why did the product precipitate out when the solution was treated with excess aqueous acid
Write a series of nuclear equations to represent the bombardment of Al-27 with a neutron to form a product that then undergoes an alpha decay followed by a beta decay
A mixture is prepared using 25.00 mL of 0.08000 M aniline, 25.00 mL of 0.06000 M sulfanilic acid and 1.00 mL of 1.230 × 10-4 M HIn and then diluting to 100.0mL
Calculate the percentage yield if 0.2 moles of H2O was formed when 0.6 mol of methane
The emulsifying agent from hand cream, a salt, is prepared from two chemicals. Write the structure of stearic acid.
chlorine has two stable isotopes of mass 34.97 u and 36.97 u.suppose the percent abundance of the lighter isotope were
Question- Ethyl iodide (C2H3I) decomposes at a certain temperature in the gas phase as shown in the following equation. C2H3I(g) C2H4(g) + HI(g) From the following data determine the rate constant.
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