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When synthesizing aspirin in the lab((Mixed 2g salicylic acid, 5mL acetic anhydride, 5 drops concentrated sulfuric acid, added distilled water after heating)). . . . . . . What is the theoretical yield of aspirin since salicylic acid is the limiting reagent?(please show calculation used) . . . . . . . What is the new type of compound formed in this?(i.e. an amide, ect?)
Calculate the bond order for one carbon-carbon bond in benzene molecule, taking a and pi bonds
A gas is expanded in a cylinder from 2.00 L to 12.0 L against an external pressure of 1.80 atm. At the same time, it absorbs 2.56 x 103 J of heat from the surroundings. Calculate ?E of the gas in J. (1 L•atm = 101.3 J)
A mixture of 82.49 g of aluminum (MM = 26.98 g/mol) and 117.65 g of oxygen (MM = 32.00 g/mol) is allowed to react. Identify the limiting reactant and determine the mass of the excess reactant present in the vessel when the reaction is complete.
An sulphuric acid solution has a concentration 3.75 M and a density of 1.230 g/cm3. Determine the molality of the solution.
50 g of soil is extracted with nh4cl ammonium chloride and the extract diluted to 0.5 liter. the solution contained the
Draw the structure of a DNA nucleotide represented by the abbreviation "C." Do not include formal charges on the phosphate group.
a solution of cyclohexane and an unknown solute freezes at 3.3c and 1atm of pressure. calculate the freezing point depresson of the solution
The product of the complete hydrolysis contained 1.3 mg of the compound shown below, and no other 2,4-dinitrophenyl derivatives of the amino groups of other amino acids could be found. How may popypeptides are in this protein
Propose a structure for the compound with the following formula that is consistent with the IR and 1H NMR data shown:
an equilibrium mixture at 594degc in a 1342-ml container involving the chemical systemnbspn2g 3h2g 2nh3gnbspis found
What is the percent purity of NaHCO3 in your baking soda? (The formula weight of NaHCO3 is 84.007 g/mole).
Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Aluminum. Find the theoretical yield(in grams) of manganese from the reaction of 270 grams..
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