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Question- A current of 5.63 A is passed through a Sn(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 8.20 g of tin?
I have read my textbook moreover I still don't understand so please provide me a very condensed, simple to know answer?
Calculate the rate constant and half- life for the radium decay. Starting with 1.0 g of the radium sample, what is the activity after 500 years? The molar mass of ra-226 is 226.03 g/mol.
The pKa values for some weak acids are given Which is the strongest acid of the group. A. pKa=2.5 B. pKa=7 C. pKa=9.2 D. pKa values have nothing to do with acid strength
Assuming that the temperature is 293K and using Redlich-Kwong equation of state, calculate the volume of ambient pressure (1 Bar) nitrogen that can be compressed into the cylinder.
I need help writing the balanced formula equation and the net ionic equation for the reaction of sodium hydroxide with hydrocholoric acid.
When calcium carbonate is added to the solution of organic acids, the following compounds form: calcium methanoate salt from the methanoic acid; calcium ethanoate from the ethanoic acid; and calcium phenoxide salt from the phenol.
a 251 ml sample of oxygen is collected over water at 25 deg c and 760 torr pressure. if the vapor pressure of water as
What mass of NH3 is needed to react with 21 grams of CH3OH?
Titration of 80 ml of unknown concentration of H3PO4 requires 126ml of 0.128M KOH. What is the concentration of H3PO4?
A compressed liquid containing an equimolar mixture of normal pentane and normal hexane is flashed at 20oC. In this steady-state flow system 33% of the feed stream is vaporized.
The frequency doubled output of a Nd3+ YAG laser has a wavelength of 532nm. If each pulse of light has a total energy of 0.550J and the repetition rate of the laser is 30Hz
What is the [H3O+] of a solution that is 0.0100 M in HOCl
For the reaction NO2(g)+NO3(g) = N2O5(g), the activation energy is 18 kj/mol and the overall delta E is -136 kj/mol. How times faster will the reaction occur at 50C than at 0C for the forward reaction
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