Compared to the terrestrial planets, Jovian planets
a. have a higher density.
b. have a smaller number of moons.
c. have a much larger diameters.
d. are much hotter.
c
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Molecular dissociation is the process in which
A) the bonds between atoms in a molecule are broken. B) a molecule goes from the solid phase to the gas phase. C) the bonds between electrons around an atomic nucleus are broken. D) an element changes into another form. E) an electron is shared between atomic nuclei.
Which of the following is not evidence for plate tectonics on Earth?
A) Some continental boundaries fit together like pieces of a jigsaw puzzle. B) Similar rocks and fossils are found in different continents. C) high ocean ridges between the continents D) the existence of volcanoes E) earthquakes
The number of grams of ice that can be melted by 1 g of 100°C steam is
A) 0.125 g. B) 0.148 g. C) 6.75 g. D) 8 g. E) none of the above
How does the macroscopic motion of a paper airplane affect the motion of the atoms that make up the piece of paper?
a. It has no significant effect. b. The random movement of the atoms that make up the paper is replaced by orderly movement in the direction the airplane is moving. c. The atoms all move in opposition to the direction the airplane is flying. d. The atoms continue to move randomly but in addition each has an added velocity contribution in the direction the airplane is flying. e. The motion in the opposite direction of the airplane no longer occurs.