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How many grams of solid nickel will be deposited when an aqueous nickel(II) sulfate solution is electrolyzed for 10.5 min with a constant current of 3.2A?
Calculate the concentration of CO2 in champagne at 20 °C if the partial pressure of carbon dioxide is 5.0 atm and the Henry's law constant for CO2 is 0.023 mol·L-1·atm-1
A 4.53g sample of a solid containing Ni is dissolved in 20.0mL water. A 5.00mL aliquot of this solution is diluted to 100.0mL as well as analyzed in the lab. Explain the solution was determined to contain 6.83ppm Ni.
After mixing 2.00g of H2S with 2.00g of NaOH, a 92.0% yield of sodium sulfide is obtained. Calculate the experimental yield in grams obtained in that reaction.
using the heats of vaporization for at 25 44.02 at 100 40.67 calculate the entropy change for the vaporization of
Find the specific internal energy
the pka of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0 respectively.a. determine the keq for the
What mass of oxygen gas, measured at STP, is required in order to release 8300 kJ of heat to the surroundings from the combustion reaction shown
The solublity of acetanilide in hot water is 5.5 g/100mL at 100 degee centigrade and its solublity in cold water is .53g/100mL at 0 degree centigrade. what would be the maximum theoretical percent recovery from the crystalliztion of 2.5 g of aceta..
How many grams of ammonium chloride and how many milliliters 3.0 M sodium hydroxide should be added to 200 ml water and diluted to 500 ml to prepare a bufffer
The purity of gold alloys is expressed in karats, which is the mass fraction of gold multiplied by 24. Pure gold is 24 kt, whereas 10 kt gold jewelry typically contains 41.666667% gold, 29.166667% silver and 29.166667% copper (by mass).
Acetonitrile CH3CN is a polar organic solvent that dissolves a wide range of solutes, including many salts. The density of a 1.90 M LiBr solution in acetonitrile is 0.827 g/cm3
Question- What is the mass of NaOH that would have to be added to 500 mL of a solution of 0.20M acetic acid in order to achieve a pH of 5.0?
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