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Problem- Calculate the pH of a .250 M solution of Hydrocyanic Acid (HCN). The Ka of HCN is 4.9x10^-10 at 25 Celcius
State the steps included in computation of pH
Give equations for the reaction of aspirin with the following: a. acetyl chloride/ pyridine b. methanol/HCl/heat c. sodium bicarbonate, room temperature d
Correlate the molar mass, molecular size, and bond polarity of these three gases with the molar volume of a perfect gas. O2, Co2, and H2
discuss briefly the similarites and differences between all known kinds of intermolecular forces. use mathematical
the solubility of o2 g in water at 25degc is 3.16 ml100 g h2o when the gas pressure is maintained at 1 atm. what
A beaker with 120 ml of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 8.40 ml of a 0.250 M HCl solution to the beaker. How much will the pH..
Compound A, C14H10, absorbed only 2 equivalents of H2 on catalytic hydrogenation over a Pd/C catalyst to yield compound B, C14H14. On ozonolysis, compound A gave only benzoic acid, C7H6O2. Draw the structure of compound B.
Write the decayreaction for this isotope and explain your prediction in terms of N/Zratio.
Draw the structures of [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2. Explain the difference between the chlorides in [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2
Assume an average minimum daily requirement for calcium is 1150 mg. Calculate what percentage of your daily requirements could be met by drinking 1.0L of your local water.
Sketch a cylinder with ten molecules of helium (He) gas. The cylinder has a movable piston. Label this sketch before. Make an after sketch to represent
A rigid container of O2 has a pressure of 388kPa at a temperature of 713K. What is the pressure at 273K.
Discuss the advantages and disadvantages of discretion in relation to the criminal justice system. Give examples, while discussing the pros and cons.
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