List the three types of nebulae in the Interstellar Medium
What will be an ideal response?
H II regions (or emission nebulae), reflection Nebulae, dark Nebulae
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A cylinder contains 23 moles of an ideal gas at a temperature of 300 K. The gas is compressed at constant pressure until the final volume equals 0.43 times the initial volume
The molar heat capacity at constant volume of the gas is 24.0 J/mol · K and the ideal gas constant is R = 8.314 J/mol ? K. The heat absorbed by the gas is closest to A) -130 kJ. B) -94 kJ. C) 130 kJ. D) 94 kJ. E) -33 kJ.
Any model of solar system formation must explain why comets come from the Oort Cloud, with orbits very different from the planets, asteroids, and Kuiper Belt Objects
Indicate whether the statement is true or false
A magician pulls a tablecloth out from under the settings on a dinner table without disturbing the dishes. This is an example of ________.
A. Newton's First law of motion B. Newton's Second law of motion C. Newton's Third law of motion D. Kepler's laws of motion E. the Hannum-Barnum law
The ocean thermal energy conversion project uses the surface water near tropical islands with a temperature of 20.0°C as the hot temperature reservoir, and the water at some depth,
with a temperature of 5.0°C, as the cold temperature reservoir for a heat engine. What is the maximum efficiency of an engine running between those two temperatures? A) 4.7% B) 5.1% C) 7.9% D) 15% E) 30%