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A quantity of electricity equal to 9.263 x 104 C passes through a galvanic cell that has an Ni(s) anode. Compute the maximum chemical amount, in moles, of Ni2+ (aq) that can be released into solution.
Two beakers, one containing 0.010 m NaCl(aq) and the other containing 0.010 m AlCl3(aq), are placed inside a bell jar and sealed. The beakers are left until the water vapor has come to equilibrium with any liquid in the container.
Write two balanced half reactions for the titration of iodine with sodium thiosulfate. Indicate what is being oxidized and what is being reduced.
write a plausible equation to interpret, at the atomic level, what you observed in the reaction of lysol toilet bowl cleaner with .1M AgNo3
The Ksp of AgBr is 5.4 ´ 10-13 at 25 °C. Calculate the molar solubility of AgBr in 0.015 M NaBr(aq) at 25 °C.
Lucite is 71.4% carbon, 9.59% hydrogen, and 19.01% oxygen. What is the empirical formula for Lucite?
a 45-g piece of ice at 0 degrees C is added to a sample of water at 9 degrees C. All of the ice melts and the temperature of the water decreases to 0 degrees C. How many gram sof water were in the sample?
Metals ions can also be placed in a spectrochemical series. In this case, larger effective nuclear charges generally lead to larger values for (delta) . Based on this principle, predict a spectrochemical series for the following ions
consider the hypothetical tetrapotic organic acid h4org mw236gmol pka14.07 pka26.88 pka37.90pka412.10 assume you begin
A buffer solution is .200 M in HNO2 and .185 M in NaNO2. What is the pH of the buffer system after 50 ml of .100 HCl is added to 250 ml of the buffer solution?? Ka of HNO2 = 4.6*10^4. (please show all work)
When pentane C5H12 burns in oxygen, it produces carbon dioxide and water. If 85.5 g of pentane is burned, what voulume of carbon dioxide is produced at STP (The density of CO2 is 1.997 g/L.)
What mass of NaN3(s) must be reacted in order to inflate an air bag to 74.6 L at STP?
For N2 1- draw the molecular orbital energy diagram showing electrons 2- give the molecular electron configuration 3- give the bond order for the molecule 4- predict if the molecule will be magnetic
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