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Identify R and R' in Equation 1 when the ester, aspirin, is made from salicylic acid and acetic acid. Calculate the theoretical yield of aspirin to be obtained in this experiment, strating with 2.0g of salicylic acid and 5.0mL of acetic anhydride (density 1.08 g/mL).
What is the importance as well as the strucutre, function and location of the ribosome recycline
Dibenzoylmethane is not a methyl ketone, but it gives a positive result in the iodoform test when treated with NaOH and I2. Explain this result.
Two parallel disks having diameters of 50 cm are separated by a distance of 10 cm. One disk also has a 20-cm-diameter hole cut in the center. Find the shape factor from the disk A1 to the one without a hole A3.
Consider the cell described below. Al | Al3+ (1.00 M) || Pb2+ (1.00 M) | Pb Calculate the cell potential after the reaction has operated long enough for the [Al3+] to have changed by 0.32 mol/L. (Assume T = 25°C.)
Lakes that have been acidified by acid rain can be neutralized by liming, the addition of limestone (CaCO3). How much limestone (in kg) is required to completely neutralize a 4.3 billion liter lake with a pH of 5.5?
he uses the combustion of natural gas which is exothermic to heat the water how much natural gas will he need to burn?
the label on an aerosol spray can contains a warning that the can should not be heated to over 130degf because of the
what are the concentrations of each component If a 10.00L vessel has 2.50 mol CO 2 and H 2 O, and 5.00 mol CO 2 and H 2 gas at 588°K, (Kc = 31.4 at 588°K), at equilibrium?
If 15.78 mL of a Na2S2O3 solution were required to titrate the iodine formed from 20.95 mL of a 0.0111 M KIO3 solution and excess KI, what is the molarity of the Na2S2O3 solution?
The rate constant for the second order reaction 2NO2 ® N2O4 is 2.79 L/mol ·min at 48 oC. If the initial concentration of NO2 is 1.05 M , what is the half-life? A) 20.5 s B) 10.3 s C) 0.341 min D) 176 s
What is the minimum concentration of ammonia that should dissolve AgBr to produce a 0.01 M Ag(NH3)2+ solution
Calculate the concentration (molarity) of iron in a dilutedsolution if 5.00 mL of 5.0x10^-4 M Fe(NH4)2(SO4)2 6H2O isdiluted with water to 100.0 mL.
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