Calculate the molar ratio of bicarbonate ion to carbonic
A buffer system, that is important for humans, is formed between carbonic acid and the bicarbonate ion. Calculate the molar ratio of bicarbonate ion to carbonic acid present at pH 7.56. (Ka = 4.3 x 10-7)
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When determining pH of atitration (weak acid strong base) using equilibrium constants, what purpose does hydrolysis serve and how is the pH determined usingit?
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A series RC circuit has a time constant of 0.930 s. The battery has an emf of 48.0 V, and the maximum current in the circuit is 490 mA. (a) What is the value of the capacitance?
A 15.0 kg turntable with a radius of 25 cm is covered with a uniform layer of dry ice that has a mass of 9.0 kg. The angular speed of the turntable and dry ice is initially .75 rad/s, but it increases as the dry ice evaporates. What is the angular
A raindrop has a radius of 3 millimeters.If the raindrop takes 6 seconds to evaporate, determine the volume of the raindrop as function of time,assuming that the raindrop is spherical.
Determine the actual work produced during the expansion process, in kJ. (b) Find the entropy production of the expansion process, in kJ/K.
Four +7 µC point charges are at the corners of a square of side 1 m. Find the potential at the center of the square (relative to zero potential at infinity) for each of the following conditions.
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