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An ungalvenized iron nail that was put in a vinegar/salt solution after pennies have copper II ions that coats the nail with copper metal. Is copper II becoming copper metal an oxidation or reduction and why? Is the iron metal becoming iron III ion an oxidation or a reducation? How do you know? Write the balanced oxidation and reduction half-reactions.
One hundred grams of water is saturated with NH4Cl at 50 degrees celsius . According to Table G, if the temperature is lowered to 10 degrees celsius, what is the total amount of NH4Cl that will precipitate.
In our kinetics lab we used sodium thiosulfate as a mild reducing agent. Explain why this reagent would be a reducing agent. Also, what about potassium dichromate K2Cr2O7. Why is it such a good oxidizing agent
the permangenate ion and determine the standard reduction potential for the reaction.
ethylene glycol c2h6o2 is widely used as an automotive antifreeze. what is the minimum weight in grams of this compound
Indicate whether the pH is equal to 7, greater than 7, or less than 7 at the equivalence point for the following titrations at 25oC. a) HF + LiOH
a gas-filled balloon having a volume of 5.00 l at 1.2 atm and 25degc is allowed to rise to the stratosphere about 30 km
What would be the molarity of a nonelectrolyte in an aqueous solution if it exhibited an osmotic pressure of 14060torr at 220C
1o ml of a gaseous hydrocarbon required 50 ml of oxygen for complete combustion. if 30 ml of co2 gas were evolved what
Compute the standard entropy change for the formation of 1.0 mole of the subsequent compounds from the elements at 25 "C
What is the Kc for the following equilibrium CO2+H2=CO+H2O if CO=0.24M, H2O=0.38m, CO2=0.30M and H2O=3.3*10-2M
Draw the structures of the compounds listed below in groups of isomers and classify them according to their unique functional groups and number of carbons atoms
Problem- When 41.5 L of nitric oxide reacts with 47.5 L of oxygen at 345 K under a constant pressure of 1.608 atm, what is the theoretical yield (in g) of nitrogen dioxide
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