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Why is it bad to add boiling H20 to ethanol solution during aspirin recrystallization? also can someone provide a mechanism of the production of aspirin from salicylic acid and acetic anhydride without the use of an acid catalyst?
Draw and label the Crystal Field splitting diagram for the 3d atomic orbitals in an octahedral field
if your input is a radiative heat source at 150 C, what is the rate at which heat needs to be added to produce the desired work and at what temperature will the engine dump exceess heat?
In an equilibrium mixture the partial pressures of SO 2 and O 2 are 0.125atm and 0.460atm , respectively. What is the equilibrium partial pressure of SO 3 in the mixture?
The temperature in the laboratory was 23°C and the barometric pressure was 621. mm Hg. You will need to look up vapor pressure of water at that temperature. Find the equivalent mass of this metal.
Quantum number representations - What are the possible values of the four quantum numbers for one electron in a 5d orbital?
If 2.5 mL of seawater contains about .0000000000058 moles of gold (Au), how many atoms of gold are in that volume of seawater
What is the total pressure, in mm Hg, of a gas mixture containing argon gas at 0.25 atm, helium gas at 350 mm Hg, and nitrogen gas at 360 torr
if an athlete expends 1850KJ/h (kilojoules per hour), how long does he have to exercise to work off 1.0lb of body fat?
The managing director of a well-known company on Wall Street thrives on a diet of fruit jam, bread, pasta, and coffee. She exercises intermittently.
Calculate the quantity indicated for each of the following electrolyses. Enter scientific notation as 1.23E4. (a) [Cu2+] remaining in 5.70E2 mL of a solution that was originally 0.412 M CuSO4, after passage of 3.50 A for 289 s and the deposition o..
Calcium hydroxide and sulfuric acid can react to produce calcium bisulfate and water. When 0.0720 mol of sulfuric acid are reacted with 0.0240 mol of calcium hydroxide, how much calcium bisulfate, Ca(HSO4)2, will be produced?
Explain the following trends in lattice energy. (Select all that apply.) (a) NaCl > RbBr > CsBr CsBr is smaller than RbBr and NaCl. NaCl is smaller than RbBr and CsBr
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