Define solubility. Give an example
The solubility of a given solute is the amount of solute that will dissolve in a
specified volume of solvent (at a given temperature) to produce a saturated solution.
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The first law of thermodynamics is an extension of the principle of conservation of ________ that we first met in mechanics.
Fill in the blank(s) with the appropriate word(s).
A pendulum swings through a total of 28 degrees. If the displacement is equal on each side of the equilibrium position, what is the amplitude of this vibration?
a. 28 b. 14 c. 56
Absorption lines are produced by ____
a. atoms that become ionized b. electrons that transfer from a high energy level to a low energy level c. electrons that transfer from a low energy level to a high energy level d. the intensity of agitation of atoms in a hot gas e. the motion of an object toward or away from the observer
Conservation of Momentum: A very elastic rubber ball is dropped from a certain height and hits the floor with a downward speed v. Since it is so elastic, the ball bounces back with the same speed v going upward. Which of the following statements about the bounce are correct? (There could be more than one correct choice.)
A. The ball had the same momentum just before and just after the bounce. B. The magnitude of the ball's momentum was the same just before and just after the bounce. C. The ball's momentum was conserved during the bounce. D. None of these statements are correct.