Which of the following is a statement of the third law of thermodynamics?
A)
If two objects are in equilibrium with a third, then they are in thermal equilibrium with one another.
B)
The entropy of the universe cannot decrease.
C)
The entropy of the universe cannot increase.
D)
All reversible engines operating between the same two temperatures have the same efficiency.
E)
It is impossible to lower the temperature of an object to absolute zero in a finite number of steps.
E
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What is so special about the carbonaceous chondrites?
a. rich in hydrogen and helium b. rich in organic compounds c. rich in nitrogen d. rich in oxygen e. rich in rare metals, such as gold
Which of the following has been the most important for maintaining the Earth's stable climate over the time it took for large organisms to evolve?
A) impacts of water-bearing planetesimals B) the ending of the heavy bombardment C) plate tectonics D) the tides E) deep sea volcanic vents
In order to determine the mass of a planet by applying Newton's laws of motion and gravity, the planet must have:
A) rings. B) moons. C) a solid surface. D) a known size and distance from Earth. E) planets further from the Sun than itself.
Industrial wastes are more difficult to process for energy than municipal wastes
What will be an ideal response?