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In a solution of pure water, autoionization occurs producing conjugate acid-base pairs in solution.
2H2O ? H3O+ + OH-
Why, then, does H2O not behave as a buffer?
What is the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 65.0 mL of the buffer?
one way of purifying gaseous h2 is to pass it under high pressure through the holes of a metals crystal structure.
How do you draw Mg and connect with bonds. Include all lone pairs of electrons and nonbonding electrons and show the charge of the atom.
What is the molarity of a solution prepared by dissolving 10.5 grams of NaF in enough water to produce 750 mL of solution
how much pv work is done and what is the value of total energy change in kilojoules for the reaction of 0.50 mol of h2
the equivalence point occurs when 12.75 mL of 0.075M NaOH is added to a solution containing 10mL weak unknown acid and 40mL Deionized water
calculate the amount of heat trasnferred when 3.55 g of mgs reacts at constant pressure.2mgs 02g ---gt 2mgos heat
what is the main difference between, 2s or 3s or 4s orbitals, or 2p, 3p or 4p. is it just that they are bigger
For the reaction 3 C2H2=C6H6 at 25c the standard enthalpy change is -631 kJ and the standard entropy change is -430 J/K
Draw the major organic product(s) formed when hex-2-yne undergoes hydration in the presence of HgSO4 and H2SO4.
A sample of nitrous oxide gas, N2O in a nonrigid container at a temperature of 33C occupies a certain volume at a certain pressure. What will be its temperature in degree Celsuis in each of the following situations? a)Both pressure and volume are ..
The vapor pressure of water at 20oC is 17.5 mmHg. What is the vapor pressure of water (in mmHg) over a solution prepared from 258 g sucrose (C12H22O11) and 350 g water?
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