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2 NaI (s) + 2 H2SO4 (aq) +MnO2 (s)---> NaCH3CO2(aq) + CO2 (g) + H2O(l) a. Determine the oxidation number of each atom in the equation. b. What is the oxidizing agent and what has been oxidized? What is the reducing agent and what has been reduced? c. What quantity of iodine can be obtained if 20.0g of NaI is mixed with 10.0g of MnO2
What is the final temperature (in oC) of a 37.6 g sample of graphite (specific heat = 0.720 J/(g K)) which absorbs 9.82 kJ of heat when it warms from 12.56oC
oxygen are required to react with 5.62 mol nitrogen to produce dinitrogen trioxide?
For the following processes, calculate the change in internal energy of the system and determine whether the process is endothermic or exothermic:
how does the technique error affect the report percent water in the hydrated salt? Explain lab 5 percent water in a hydrated salt.
what is the complete mechanism and product for reacting phthalimide
an unknown liquid with boiling range of 179-181 C is insoluble in water, gives a blue green suspension with chromic acid and immediately forms a separate layer when shaken with Lucas' reagent.
When o-phthaladehyde is treated with base, o-(hydroxymethyl)benzoic acid is formed. Show the mechanism of this reaction.
One student measure the pH of the following three solution (weak base, conjugate acid and buffer). Using this data, please calculate the pKa and pKb (show calculation).
2.50 moles of COBr2 are introduced into a 2.00 liter flask at 0degrees and heated to a temp of 73 degree celcius. At equilibrium, the equilibrium constant is .190. What is the percent disassociation? what is the equilibrium concentration of each s..
In the Hofmann Degradation of amines an amine is exhaustively methylated with Methyl Iodide and the resultant compound treated with Silver Hydroxide and heated. An alkene is formed which is not the Saytzeff product.
The next three (3) problems deal with the titration of 331 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.5 M KOH.
This solution was back-titrated with a 0.0460 M Ga3+ solution until all the EDTA reacted, requiring 11.0 mL of the Ga3+ solution. What was the original concentration of the V3+ solution
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