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Suppose that a series of measurements have shown that the mean mass of an object 201.3g with a standard deviation 1.3g How many significant figures are justified in the mean and how would you report the most probable mass of the object. Explain
How many spots should you see on a TLC plate for your recrystallized benzoic acid (assuming your recrystallization worked)
What absorption is diagnostic of benzophenone and not present in benzhydrol (give frequency and functional group); and what absorption is diagnostic of benzhydrol and not present in benzophenone
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum
1.0 atm pressure of oxygen is 0.041g/L. The solubility of oxygen in water at 3.0 atm and 25 C is _____ g/L.
The enthalpies of formation of oxalic acid in the solid and aqueous phases are -826.8 and -818.8 kJ/mol, respectively. The heat capacity of water is 4.184 J/g*K. Ignore the heat capacity of oxalic acid.
A sample of gas occupies 15.0 liters at 4.00 atmospheres and 300 K. What is the new volume of the gas if pressure is decreased to 2.00 atmospheres and temperature is increased to 400 K?
A twofold increase in the initial concentration of A leads to a 1.41-fold increase in the initial rate. what is reaction order
Amstop Company issues $20,000,000 of 10-year, 9% bonds on March 1, 2007 at 97 plus accrued interest. The bonds are dated January 1, 2007, and pay interest on June 30 and December 31. What is the total cash received on the issue date?
Devise tests which allow you to distinguish between the ions in each case.
The oxidation state of the transition metal 3.) The number of d electrons on the transition metal 4.) The crystal-field energy level diagram for the d orbitals 5.) Whether the complex is high-spin or low-spin 6.) The total number of unpaired elect..
A lactic acid/lactate ion buffer solution contains 0.29 M HC3H5O3- and 0.80 , respectively. The Ka value of lactic acid is 1.4x10^-4. Calculate the pH of the buffer.
Outline a complet mechanistic sequence for the reaction of 2-bromoheptane with potassium 2-methyl-2-propoxide in 2-methyly-2-propanol solvent to form the three alkenes generated in the reaction
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