Calculate the hydronium-ion concentration
Calculate the hydronium-ion concentration of a 2.51 x 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 x 10-4?
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Determine the number of heat in kilojoules is developed in converting 3the 6.0 g steam at 180 degrees C. to ice at -60 degrees C. (where the heat capacity of steam is 1.184 J/g-c and the ice is 2.09 J/g-c, the heat vaporization is 40.7 kj/mo
Determine how much ice in grams would have to melt at the lower temperature to 468 ml of water from 39 degrees C. to 2 degrees C. (Suppose the density of water is 1.00 g/ml, the heat of fusion for water at 0 degrees C. is 6.02 kj/mole)
The solution of acetic acid (HC2H3O2) on a laboratory ridge was of undecided concentration. If the pH of the solution was given 2.81, determine the original concentration of the acetic acid?
The movie theater has the seating capacity of 349. If total ticket sales was $ 2542, Find number of children, students, and adults attended?
Consider the concentration of a solution of lactic acid, (HC3H5O3). The pH of the solution was 2.27. Calculate the concentration of the solution? The Kaof lactic acid is 1.4 x 10-4.
She puts twice as much in lower-yielding account as it is less risky. Her annual interest is 6656 dollars. How much did invest at every rate?
The mass of a tennis ball is 57.0 g, and the ball is usually in contact with the tennis racquet for 30.0 ms , with the ball beginning from rest. Draw a free-body diagram of the tennis ball throughout the serve. Prepare a free-body diagram of the t
The block of wood floats in fresh water with 0.596 of its volume V submerged and in oil with 0.855 V submerged. Determine the density of (i) the wood and (ii) the oil.
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