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A fuel analyzes 74.0 wt % C and 12.0% ash (inert). Air is added to burn the fuel, producing a flue gas of 12.4% CO2, 1.2% CO, 5.7% O2, and 80.7% N2. Calculate the kg of fuel used for 100 kg mol of outlet flue gas and the kg mol of air used. (Hint: First calculate the mol O2 added in the air, using the fact that the N2 in the flue gas equals the N2 added in the air. Then make a carbon balance to obtain the total moles of C added.)
Calcium in blood or urine can be determined by precipitation as calcium oxalate CaC2O4. The precipitate is dissolved in strong acid and titrated with potassium permanganate. The products of the reaction are carbon dioxide and Manganese ii ions.
Write a brief procedure that would have been used to carry out the titration. Just include the key steps (terms and measurements). c. What was the average volume of Ca(OH)2 used? d. Calculate the concentration of the HCI sample.
How many moles of carbon, hydrogen and oxygen atoms does a mass of 32.5grams of sugar represent? How many atoms of each type are there in this mass of sugar?
How do I find the volume of that solution so I can find the concentration of Cl after titration?
identities of the components in a mixture by Gas chromatography may be determined by the technique called "spiking".
15.0 mL of 0.400 M Hno3 Solution is titrated with 0.600 M KOH solution . Calculate pH of the solution when12.0 mL of KOH is added ?
An unknown metal with a mass of 28g absorbs 58J of heat. Its temperature rises from 31.1C to 39.9C. Calculate the heat capacity of the metal ?
Draw the structure of the isomer of C4H9Cl that is least reactive in an SN2 reaction. Do not consider stereochemistry.
Write the complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone
Reaction rate laws are frequently used to investigate reaction mechanisms. Would your results to this experiment be consistent with either or both of the following mechanisms?
explain why ethanamine (ethylamine) initially forms a white precipitate when added to a solution of aqueous copper sulphate (CuSO4).
If 3.40 mol Ca(NO3)2 reacts with 2.40 mol Li3PO4 to produce 452g LiNO3, find the limiting reactant, theoretical yield (in grams), and percent yield for the reaction.
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