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In the chemical formula for alu, there are 12 water molecules present. It is also possible to prepare the anhydrous compound potassium aluminum sulfate. On the "molecular scale" describe how a crystal of alum differs from a crystal of potassium aluminum sulfate.
acetic anhydride C4H603 to form aspirin C9H8O4 and acetic acid CH3C00H. What mass of acetic anhydride did the student use? What is the limiting reactant?
Give a stepwise mechanism showing the base-induced formation of diphenylacetylene from meso-stilbene dibromide. Use curved arrows to symbolize the flow of electrons.
what is the molarity of an NaOH solution if 25 mL of this solution reacts exactly with 22.3 mL of .253 molar sulfuric acid?
Under identical conditions, seperate samples of O2 and an unknown gas were allowed to effuse through identical membranes simultaneously.
A mixture of Helium, Neon, and Nitrogen gases has a pressure of 1.348 atm. Determine what is the partial pressure of N2 in the mixture If the pressures of Helium and Neon are 0.124 atm and 0.996 atm, respectively.
A 50.0 mL sample containing Cd2 and Mn2 was treated with 69.6 mL of 0.0600 M EDTA. Titration of the excess unreacted EDTA required 11.9 mL of 0.0220 M Ca2
Calcium carbonate reacts with hydrochloric acid to forma a salt, carbon dioxide and water. Write the balanced equation and determine how many grams of salt will be produced of 50g of calcium carbonate was used?
A solution of water at 30 degrees Celsius is placed in a freezer at a constant temperature of -8 degrees Celsius. Calculate the entropy change of the system, surroundings, and the universe.
You titrate a 425 mL sample of an acide mine drainage with a 0.32 M solution of NaOH. It takes 22.4 mL of the sodium hydroxide to reach the equivalance point
two kinds of carbonyl acceptor structures in addition to benzoate esters can be used in reaction with phenylmagnesium
What complementary functional group would need to be present in the neuraminidase active site for (a) hydrogen bonding and (b) ionic interactions to oseltamivir to be observed?
The contents of the tank are transferred without loss to an evacuated 55 L tank in scold room where the temperature is 4 degree C . What is the pressure in the tank ?
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