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A 50.00-mL sample of 0.100 M KOH is titrated with 0.152 M HNO3. Calculate the pH of the solution after 52.00 mL of HNO3 is added.
At a certain temperature the rate of effusion of helium is twice the rate of effusion of a gaseous X.X is a binary combination of carbon and hydrgen.
In the preparation of amides, acid chlorides or anhydrides may be used to react with the selected amine. It is known that acid chlorides are more reactive than the corresponding anhydrides in this type of nucleophilic acyl substitution reaction.
Indicate the reaction conditions you would employ to accomplish the following: Conversion of tert-butyl chloride to 2-methylpropene to maximize the yield of the elimination product over the substitution product.
A piece of a newly synthesized material of mass 25.0 g at 80.0C is placed in a calorimeter containing 100.0 g of water at 20.0C. If the final temperature of the system is 24 0C
Calculate the number of moles of H2O formed when 0.200 mole of Ba(OH)2 is treated with 0.500 mol of HClO3 according to the chemical reaction shown below.
Calculate the energy per photon of electromagnetic radiation, for a photon having a frequency of 5.16 X 10^19 Hz (h = 6.626x10^-34 J s):
2.914 gram sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 degrees celcius in a crucible until a constant mass is reached.
What is the pE value in an acid mine water sample having [Fe3+] = 6.79E-3 M and [Fe2+] = 4.14E-4 M?
What organic product(s) is formed when 1-methylcyclopentanol is heated in the presence of an acid catalyst?
For alloys of two hypothetical metals A and B. Find out composition of phase boundary (or solubility limit) for both and phases at this temperature.
How many air molecules are in a 10.0x20.0x10.0 ft room? Assume atmospheric pressure of 1.00atm , a room temperature of 20.0C , and ideal behavior.
Show that the balanced equation obeys the law of conservation of mass.
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