Explain the ph half-way to the stoichiometric point
102.0 mL of a solution of quinine contains 132.6×10-3 molof quinine. If this is titrated with 0.200 M HCl, what is the pH half-way to the stoichiometric point ?
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The half-life of iodine 131is 8.021 days. If a person has a 1.000g of iodine131today, in how many days the remaining amount of the iodine131 will be 0.006250g?
Ice (intial at 0 degree C) is added to 0.69 L of tea at 16 degree C to make coldest possible iced tea. If enough ice is added so the final mixture is all liquid, how much liquid is in the pitcher when this condition occurs?
Determine the amount of heat, Qcomb, needed to raise the temperature of the system from T3 = 700 K to T4 = 1300 K. Express the amount of heat in terms of kW as well as kJ/kg of air flowing through the engine.
To make a solution with a pH = 3.90 a student used the following procedure : a certain amount of sodium acetate along with 0.260 moles of aceticacid is added to enough water to make a solution of 1.00L
102.0 mL of a solution of quinine contains 132.6×10-3 molof quinine. If this is titrated with 0.200 M HCl, what is the pH half-way to the stoichiometric point?
What are the parameter and the statistic in this situation? What does the sampling distribution of the statistic describe? What does it mean to say that the statistic in this case is a unbiased estimator of the parameter?
A charged spherical shell for radius R has 8 µC of charge uniformly distributed over is surface. At the exact center a point charge of -8 µC exists. What is the strength of the electric field a distance r away in terms of k and r if (a
What color is the solution initially? The solution is titrated with 0.10 M NaOH. At what pHwill the color change (yellowish to greenish yellow) occur?
Four -5µC charges (m = 5.0 x 10-10 kg) are brought together from infinity to form a square with sides 3 mm in length. (a) How much work must be done to accomplish this? (b) If the charges were then let go, with what velocity would they trave
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