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Question - A buffer using the amino acid glycine is prepared by mixing 80 ml of 1.0M glycine, pH 0.5 (i.e. fully protonated), 55 ml of 2M NaOH and 365 ml of water. Calculate the pH and concentration of the buffer solution. The relevant pKa values are 2.2 and 9.5.
A liquid substance has a vapor pressure of 450.0 mmHg at 262.0 degrees celsius and 760.0 mmHg at 325.0 celsius. a) what is the heat of vaporization of this substance? b) what is its normal boiling point?
consider a mixture of air and gasoline vapor in a cylinder with a piston. the original volume is 40. cm3. if the
If I leave 750 mL of 0.50 M sodium chloride solution uncovered on a windowsill and 150 mL of the solvent evaporates, what will the new concentration of the sodium chloride solution be
Calculate the molar amounts of NaOH used in the reaction with the HCI solution and with the HC2H3O2 solution?
Predict the product that is formed when methyl 2-(3-oxocyclohexyl)acetate undergoes
Suppose you have a mixture of the following solids: iodine (I2), benzophenone (H5C6-C(=O)-C6H5), benzoic acid (C6H5-C(=O)-OH), and oxalic acid (HOOC-COOH). You dissolve a small quantity of the solid mixture in ethanol and spot the solution on a TL..
The catalytic converter on your automobile contains small amounts of a precious metal catalyst. Which of the following components would you expect to be decreased in your tailpipe emissions.
calculate the value of deta s when 1.80 mol ch3oh l of is vaporized at 64.7 c. the normal boiling point of methanol is
write seven pages from seven different resources following acs style in the writing about how can you apply pnicogens
If one component of a solution follows Raoult's Law subsequently the other component must also obey the same law. Intermolecular forces are small in ideal solutions.
What countries are the greatest contributors to the pollutants and why - how is acid rain produced from these pollutants
A student added 100 mL of 0.10M NaOH to 250 mL of a buffer that contained 0.15M HC2H3O2 and 0.25M C2H3O2. What is the concentration of HC2H3O2 after the addition of the strong base
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