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An aqueous copper(II) sulfate solution is electrolyzed for 3 hours with a 1.8 ampere current. What mass of nickel is produced?
Perform a degree of freedom analysis and show that all of the unknowns can be solved.
what volume of nitrogen gas is needed to react completely with 150.0 L of hydrogen in the production of ammonia.
A reaction vessel at 27 degrees C containsa mixture of SO2 (P = 3.10 atm) and 02 (P=1.10 atm). When a catalyst is added to the reaction 2SO^2(g) + O2 (g) = 2SO3 (g) takes place
discuss the various ways that the Fischer esterification reaction can be run to maximize conversion to ester.
The half-life for the second order reaction of a substance A is 55 seconds when [A]o is 0.84 M. What time is needed for the concentration to decrease to 1/4 of the original value.
A 51.0 g sample of ethylene glycol, HOCH2CH2OH, is dissolved in 540.0 g of water. The vapor pressure of water at 32°C is 35.7 mm Hg. What is the vapor pressure of the water-ethylene glycol solution at 32°C? (ethylene glycol is nonvolatile.)
During studies of the reaction below, 2 N2H4(l) + N2O4(l) ? 3 N2(g) + 4 H2O(g) a chemical engineer measured a less-than-expected yield of N2 and discovered that the following side reaction occurs
Carbonyl bromide decomposes to carbon monoxide and bromine. COBr2 (g) ↔ CO(g) + Br2 (g) Kc is 0.190 at 73?C. If you place 0.500 mol of COBr2 in a 2.00 L flask and heat it to 73 ?C,
In HPLC, how often should I need to run standard with samples? Why? If the retention time is changed with real samples compared to standard
the mass of water is 92.6 grams, the initial temperature of the water is 58.9 degrees celsius, the mass of teh liquid nitrogen added to the water is 57.1 grams, and the final temperature after the liquid nitrogen has vaporized is 29.6 degrees cels..
how much energy is required to heat an iron nail with a mass of 7g from 25 degrees celcius until it becomes red hot at 750 degrees celcius?
The first appearance of a yellow color that lasts for more than 30 seconds occurs after 14.50 mL KI have been added. What is the value of the ion product of the titration?
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