If the solubility of a compound is 72 grams per liter, how many grams of the compound will dissolve in 0.50 liters?
A) 36 g
B) 72 g
C) 144 g
D) 30 g
E) none of the above
Answer: A
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Graphical Analysis: The graph in the figure shows the position of a particle as it travels along the x-axis. What is the magnitude of the instantaneous velocity of the particle when t = 1.0 s?
Fill in the blank(s) with the appropriate word(s).
What key event took place during the atomic epoch?
A) The universe expanded and cooled enough to allow the first particles to appear. B) The universe expanded and cooled enough for electrons to orbit protons. C) The neutrinos were created. D) Atoms in the universe collected to form stars and galaxies. E) The universe underwent a brief period of rapid expansion.
For an ohmic conductor, current is
a. inversely proportional to voltage. b. inversely proportional to resistance. c. independent of resistance. d. independent of voltage.
A mass is attached to a vertical spring and bobs up and down between points A and B. Where is the mass located when its kinetic energy is a maximum?
A) at either A or B B) midway between A and B C) one-third of the way between A and B D) one-fourth of the way between A and B E) none of the above