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if 0.150 moles of salicylic and excess acetic anhydride are used during a synthesis of aspirin, how many grams of aspirin will be obtained if the reaction gives a 38% yield.
The more water molecules, the more intermolecular forces formed, the more energy released when ions dissolve in water. How does the periodic trend of cation radius for the alkali chloride solids compare to the number of water molecules that can fo..
A 28.0-g sample of water at 260. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings
Diagram a thiol cleavage reaction (using expanded structural formula) of butene. Be sure to include all the possible product(s) formed. Name the product(s).
Starting from the left side of the periodic table, the melting and boiling points of the elements first increase, and then decrease
What is the heat change of H 2 O If the final temperature of the mixture = 25 degree celsius?
Calculate the pH at the equivalence point for the titration of 0.230 M methylamine (CH3NH2) with 0.230 M HCl.
Calculate kp and kc for the dissociation.
Calculate the equilibrium constant kc for a reaction occuring at a temp 0f -19 degree C and when delta G of 1.6 KJ/mol(use R =8.314 J/mol and 273 for kelvin conversion)
By Solving this problem student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -
A buffer solution is prepared by dissolving 1.50g each of benzioc acid C6H5CO2H and sodium benzoate NaC6H5CO2 in 150.0mL of solution.
How many milliliters of .200 m NaOH are needed to neutralize 100.ml of .100 m HCl
how many moles of NaCl would be made by combining 20,000 moles of Na with 2 moles of Cl
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