An ice cube is floating in a glass of water with the water level just reaching the top of the glass. If the temperature in the surrounding area is above freezing, the ice cube will melt. When it does,
A. the water level in the glass will remain unchanged as the ice continues to melt.
B. the water level in the glass will begin to go down.
C. water will begin to spill over the top of the glass.
D. it is impossible to tell what the water level will do from the information given.
Answer: A
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A(n) ______________ force is necessary for uniform circular motion
Fill in the blank(s) with correct word
As a basketball player starts to jump for a rebound, he begins to move upward faster and faster until he leaves the floor. During this time that he is in contact with the floor, the force of the floor on his shoes is:
a. bigger than his weight. b. equal in magnitude and opposite in direction to his weight. c. less than his weight. d. zero.
When the equilibrium concentration of vacancies is present in a crystal at constant temperature and pressure, the Gibbs free energy is at a(n) _____________.
Fill in the blank(s) with the appropriate word(s).