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Draw a quantitative predominance (pH-pC) diagram for the system of 10^-4 M benzoic acid. Label the curves for each spcies and also the lines for H+ AND OH-.
What will be the resultant pressure when the stopcock is opened?
What would you expect the measured decay rate to be 4.00 hours later? The half-life of Ru-97 is 2.79 days.
Impure benzoic acid was dissolved in hot water. the container of solution was placed in ice-water bath instead of being allowed to cool slowly.
Which of the following gases at 500 K would show most ideal behavior?
insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 475 of insulin at a concentration of 30.0 . What is the total mass of insulin in the bottle?
A certain quantity of a gas occupies 61.3 mL at 68 ?C. If the pressure remains constant, what would be the volume of the gas at 128 ?C?
Describe two independent methods for determining the atomic mass of an element. Explain how these method are truly independent.
What is the equilibrium constant for K2CrO4 and what is the equilibrium constant for K2Cr2O7?
When the flask was re-filled with an unknown gas, the same number of moles leaked out in 2.84 hours. Identify the unkown gas.
How long would it take for 1.50mol of water at 100.0 °C to be converted completely into steam if heat were added at a constant rate of 21.0 J/s?
Draw the structure of the 4 possible ionization states of tyrosine and calculate the net charge for each state. Draw the titration curve for Tyrosine. The pKa of the carboxylic acid = 2.20. the pKa of the amino group is 9.20.
If 555 g of NaOH is dissolved to a final total volume of 40.0 L, what is the molarity of the solution?
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