Xenon is a gas found in some automobile headlights. The density of xenon at room temperature and pressure is 5.37 g/L. What is the mass, in pounds of 1.00 quart of xenon? [1 liter = 1.057 quart; 1 pound = 453.6 grams]
A) 0.0112 lb
B) 0.0125 lb
C) 79.9 lb
D) 89.3 lb
A
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Which of the following is a hazard but not a risk, according to the textbook?
A) The Kilauea volcano, which covers subdivisions with molten lava B) A cinder cone that erupts hot molten fragments on an unpopulated Pacific island C) A volcano in Iceland that threatens people with dangerous gases D) A volcano in Iceland that caused catastrophic flooding that destroyed houses and roads E) All of these are both a hazard and a risk.
Examine the rock sample here. Did it form at or below Earth's surface? How do you know?
A) It formed at the surface, because of its color (composition). B) It formed at the surface, because of its texture (grain size). C) It formed below the surface, because of its color (composition). D) It formed below the surface, because of its texture (grain size).
Most shells of marine organisms are composed of:
a. gypsum b. silica c. calcite d. either b or c
Semi-permanent pressure cells:
A) have no impact on major weather patterns. B) can change substantially from summer to winter. C) stay in one place. D) maintain the same intensity year-round.