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what is the chemical calculation to figure out the following: calculate the number of moles of each ion present in the following solution: 10.2 mL of 0.451 M AlCl3 solution.
Describe how you wuld separate a mixture containing benzoic acid and a neutral substance, benzophenone. Both compounds are insoluble in water and solube in ether.
Water in the sample extracts into the methanol, which is then analyzed. If GC analysis of the methanol yields a peak height of 13.66, what is the % w/w water in the antibotic?
Gold has a face-centered cubic arrangement with a unit cell edge length of 4.08 \AA. How many moles of gold fit in a sheet with a length of 51.6 nm, a width of 24.3 nm
For a particular reaction, H = -30. kJ and S = -88 J/K. Assume that H and S do not vary with temperature
Draw the structure of the dimer. Water (circled) is eliminated when the bond between the monomers forms. Circle the atoms of the ester functional group.
If 400. mL of NO at STP is reacted with 500. mL of O2 at STP, calculate the partial presure of NO2 after the reaction goes to completion. Assume constant volume.
Although the double bond, in total, is stronger than a single bond, the pi bond itself is weaker and can react with electron-deficient species such as a hydrogen ion.
In an electrolysis experiment such as the one you will perform, 1.76 x 10^-3 moles of hydrogen gas were collected, and the metal electrode lost 0.1983 g. The equivalent mass of the metal is approximately what?
A 55.0-{ g} piece of ice at 0.0 C is added to a sample of water at 8.0 C. All of the ice melts and the temperature of the water decreases to 0.0 C.
what is the purpose of anhydrous CaCl2? why is it important yhat none of the solid CaCl2 be included in the final distillation of 1- bromobutne.
The specific heat capacity of a certain monatomic solid is 0.392J*k^-1*g^-1. The chloride of this element (XCl2) is 52% chlorine by mass.
What is the wavenumber in cm-1 for the HOMO to LUMO transition predicted by PM3, What value of ? can you infer, that would bring the HMO method into agreement with the more advanced Extended Huckel method?
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