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A solution is initially 0.050M in acetate, CH3COO- (Kb = 5.6 x 10^-10). 10.0mL of 0.10 M HCl is added. Write a chemical equation for the neutralization reaction that occurs.
Protein X contains 16.78% nitrogen. A 0.4100 mL aliquot of protein X solution was digested, and the liberated NH3 was distilled into 10.00 mL of 0.02260 M HCl. Unreacted HCl required 3.07 mL of 0.01960 M NaOH for complete titration.
Calculate the ph when 47.0 mL of 0.309 M of a certain monoprotic weak acid, HA, is mixted with 47.0 mL of 0.309 M of sodium hydroxide solution
When you heat up popcorn, it loses water explosively and it pops. suppose a kernel of corn, weighing 0.125 grams weighs only 0.106 grams after popping.
Draw the structure of the organic compound that exists when lidocaine is in the presence of an acidic solution, for example, hydrochloric acid. You may use standard implicit style for atoms and lone-pairs if you like
During fractional distillation, which of the following chemicals would come out at the top of the tower?.. octane, ethane, wax, or coal tar?
dilute to mark with water and mix. (You will need the extra volume of this most concentrated solution for further studies.) Record your actual standard concentrations accounting for the dilution as Cstd1, Cstd2, Cstd3, and Cstd4, respectively.
What happens to the carbon level of the carbonyl carbon when a Grignard reacts with acetone? What happens to the carbon level
What is the change in internal energy (in J) of a system that absorbs 0.836 kJ of heat from its surroundings
The vapor pressure and enthalpy of vaporization of an unknown substance are measured to be 204.2 torr and 28.8 kJ/mol, respectively at room temperature (298.15 K). Estimate the normal boiling point of the substance at an atmospheric pressure of 76..
The procedure uses 3.0M NaOH. However, the student notices that the only solution of NaOH is concentrated (19M ) NaOH solution. How many mL of water are needed to make 500mL of a 3.0M NaOH
The end products of the oxidation are carbon dioxide (CO2), ammonia (NH3), and water. Assume that nitrogen not incorporated in cell-tissue production will be converted to ammonia.
Show the reaction equation for when sodium carbonate is added to acetic acid Show the reaction equation of acetic acid and dilute sulphuric acid. Potassium manganate is also added.
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