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While 10.00mL of a solution of strong acid is mixed with 100.00mLof a solution of weak base in a coffee-cup calorimeter, the temperature falls from 25.5oC to 21.3oC.Find out q for the acid-base reaction, Presuming that the liquid a have densities of 1.00 g/mL as well as the same heat capacities as pure water.
Give the hybridization of the indicated atom in the following: (first draw the Lewis structure for each) a. Carbon in OCCl2
How many moles of CO2 will be produced in the combustion reaction starting with the 15.02 grams of ethane.
What is the final concentration (in M) of 19.5 mL potassium hydroxide solution with an initial concentration of 1.85 M which is diluted with 16.8 mL of solvent? Assume the volumes are additive.
A 5.00 mL standard phosphate solution containing 45.0 mg of phosphate per liter is added to a second 2.00 mL sample and diluted to 100.0 mL. The absorbance of this solution is 0.506 at 700 nm. Calculate the concentration of phosphate in the origin..
for which amino acid does the L-isomer not correspond to its S-isomer? Explain why, including stereochemical diagrams of the isomeric formas
Consider the following solutes and the composition of their aqueous solutions. In which of the following is the composition of the aqueous solution of the solute given
For UV light of wavelength 254 nm, calculate the frequency and the amount of energy absorbed by a single molecule when it absorbs a quantum of this light. (Remember ??=c, where c = 3.00 x 108m/s and E = h?, where h = 6.63 x 10-34 J·s) 1nm = 1x10-9..
Twenty wt % of a styrene oligomer having a number average-degree of polymerization of 7 is mixed with a commercial polystyrene sample having a number average
This was allowed to react under reflux for an hour and then the products seperated. I wrote out a mechanism before lab and ended up predicting 4-chlorobenzoic acid and 4-chlorophenol as my final products.
Gas phase irridation of 2-pentanone produces acetone and ethylene in about 90% yield along with 10% 1-methylcyclobutanone. Accoutnt for the formation of these three products
You are trying to extract the compound 2-aminobenzoic acid from an aqueous solution into ether (in a form with a net zero charge). At which pH would the extraction be the most efficient? Ka1(COOH)=8.3x10^-3 and Ka2(NH3+)=1.10x10^-5
Combine the above two equations with that for the formation of liquid water and use addition and/or subtraction(i.e. Hess's Law) to arrive at the equation for the formation of magnesium oxide.
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