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a) [H3O] b) pH c) the balanced equation when reacted with LiOH d) millimeters of HBr solution required to neutralize 36.0 mL of a 0.250 M LiOH solution please explain!
how many grams of sucrose C12H22O11 must be added to 522g of water to give a solution a vapor pressure 2.0mmHg less than that of pure water at 20 degrees celsius
A sample of Br2(g) takes 50.0 min to effuse through a membrane. How long would it take the same number of moles of Ar(g) to effuse through the same membrane
What volume of 3.50M H2S is required to react with excess O2 to produce enough NH3 to fill a cylinder that is 50ft long and has a diameter of 13 ft at a pressure of 450 torr and 20?F?
A titration is performed by adding 0.400 M KOH to 40.0 mL of 0.300 M HCl. What is the pH after addition of 20.0 mL of the base
A 25.0-mL sample of 1.00 M NH3 is titrated with 0.10 M HCl. What is the pH of the NH3 before the titration begins? Kb = 1.8 × 10-5
Calculate the pH across the inner mitochondrial membrane that is necessary to drive ATP synthase under steady state conditions at 25oC
A graduated cylinder contains 131 mL of water. A 18.0 g piece of iron (density = 7.86 rm{g/cm^3}) and a 25.0 g piece of lead are added.
chemiluminescence reaction will actually occur very slowly in air. What component of air will bring about this reaction and what is its approximate concentration in air?
The isomerization of methyl isocyanide, CH3NC -> CH3CN, follows first-order kinetics. The half-lives were found to be 161 min at 199 degrees celcius and 12.5 min at 230 degrees celcius. Calculate the activation energy for this reaction.
If it is unnecessary to add an indicator to KMnO4 titration because of its intense deep purple color. will the end point of the titration coincide with the stoichiometric point. explain
an electron is confined to a one dimensional box of length l it falls from the second energy level to the ground state and releases a photon with a wavelength of 322 nm. what is the length of the box
Potassium superoxide (KO2) can simulate a plant-type action by consuming carbon dioxide gas and releasing oxygen gas. The other product is potassium carbonate. What is the balanced equation for this process
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