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How many grams of aspirin were lost in the washing process you used to purify your product, assuming you used 50 mL of water for washing?
The solubility of aspirin in water is 0.33 g per 100 ml at room temperature.
The first ionization energy of Ca is 590 kJ/mol and its second ionization energy is 1145 kJ/mol. The heat of sublimation of Ca is 178 kJ/mol. The bond energy of Br2 is 193 kJ/mol, the heat of vaporization of Br2(l) is 31 kJ/mol , and the electron ..
A metal hydroxide with the general formula M(OH)2 has a Ksp value of 0.00076. Calculate the molar solubility of this metal hydroxide
Make a pH- log concentration plot for carbonate (10^-3) and acetate acid (10^-4) for total concentrations.
Draw the structures of phthalic anhydride, ethylene glycol, and glycerol. Draw the polymer that results from phthalic anhydride & ethylene glycol. Draw the polymer that results from phthalic anhydride and glycerol.
One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite by mass.What is the molarity of this solution.
A 0.100 M solution of a weak acid, HX, has a pH of 2.110. What is the value of Ka for HX?
Calculate how many grams of ATP must be produced to walk a mile. ATP synthesis is coupled to the oxidation of glucose (?Go' = -686 kcal/mol). How many grams of glucose are actually metabolized to produce this amount of ATP?
For E-stilbene, draw the products you get if the bromine mechanism is syn addition (addition to the same side) and also what you get as products if the mechanism is anti addition.
If you want to dope GaAs to make an n-type semiconductor with an element to replace Ga, which of the elements below would you pick
how many molecules of oxygen gas are needed to react with 4.2 moles of C3H8O?
A piece of tin weighing 85.251 g is placed into 41.1cm3 of ethyl alcohol (D=0.798) in a graduated cylinder and it sinks to the bottom . The alcohol rises to 52.8cm3
calculate the volume, in liters, occupied by 3.25 moles of Cl2 gas at 1.54 atm pressure and a temperature of 213 degrees celcius?
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