When 2.000 kg of water evaporates,
What is the entropy change in the boiling process?
A. 12,120 J/K
B. 8,566 J/K
C. 6,750 J/K
D. 5,844 J/K
A. 12,120 J/K
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A boat has an initial velocity of 2 m/s in the y direction on a stream which is moving in the x direction at 1 m/s. The boat is accelerating in its direction of motion at 1 m/s2. What is the acceleration of the boat (in m/s2) relative to the water?
A.
B.
C.
+ 
D.
? E.
Consider a situation where you carry a 20-N box up a flight of stairs, raising its elevation by 5 m.The work you do is 4 J
a. True b. False Indicate whether the statement is true or false
The 105°W longitude meridian is the center of the ______________ Standard Time zone in the United States
a. Pacific b. Mountain c. Eastern d. Central
What makes Europa the most likely place extraterrestrial life will be found in our solar system?
A) It has an ocean of liquid water, which is warmed by tidal force interaction with Jupiter, and may house underwater volcanic thermal vents. B) It has an ocean of liquid water, and there is increasing evidence of phytoplankton activity, particularly as shown by ongoing spectral analysis. C) It has a hydrogen ocean and moderate levels of oxygen in its atmosphere, which is gradually producing water through frequent lighting strikes. D) Actually, Io is the most likely place to find life, due to its high level of volcanic activity.