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A piece of gold foil has a volume of 0.645cm^3. If the piece of gold measure 10.0 cm by 12.5cm, what is the thickness of the foil
The Fischer esterification mechanism is examined in the following two questions in the assignment
How many milliliters of 4.21 M NaOH are needed to completely neutralize 76.9 mL of 0.340 M H3PO4?
a sample of gas occupoes 17ml at -112 degrees C. what volume does the sample occupy at 70 degrees C.
You have a solution of 0.085 M HNO2 and 0.15 M KNO2 (Ka for HNO2 = 4.5 * 10-4) what is the pH
Calculate the % yield of Al2(SO4) from the reaction: 2Al(OH)3(s) + 3H2SO4(aq) -> Al2(SO4)3(s) + 6H2O(l) given that 205 g of Al(OH)3 react with 751 g of H2SO4 to yield 252 g Al2(SO4)3.
In an experiment conducted last Tuesday, the time it takes for a certain reaction to proceed seems to be related to the initial concentration of one of the reactants A.
The stopcock connecting a 2.25 L bulb containing oxygen gas at a pressure of 4.00 atm, and a 5.25 L bulb containing neon gas at a pressure of 8.00 atm, is opened and the gases are allowed to mix.
A sample of 1.0 mole of a perfect gas with cp= 20.8 J K-1 is initially at 3.25 atm and 310K. If it undergoes reversible adiabatic expansion until its pressure reaches 2.50 atm. Calculate the final volume and temperature and the work done.
Suppose you have made 1L worth of a mixture of methanol and water, by mixing 3 parts of methanol and 2 parts of water by mass. Assume for simplicity that the volume of the mixture is exactly equal to the sum of the volumes of the ingredients
A patient needs to take 625 mg of ibuprofen twice daily. The pills in the bottle are each 250. mg. How many pills does the patient need to take each time she wants the 625 mg dosage? Assume that these pills are scored and can be cut in half if ne..
acid catalyzed hydrolysis of esters is usually better than base catalyzed hydrolysis. True or False.............2. Borane selectively reduces a carboxylic acid while it leaves an ester alone.
Calculate the pH at each point indicated in the titration of 100.00 mL of 0.0755 M NaClO2 with 0.0412 M HCl.
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