A student has equal-volume samples of three gases. All the gases are at the same temperature and pressure. If the three gases are O2, CO2, NH3, which sample contains the largest number of atoms?
A) O2
B) CO2
C) NH3
D) None, they all contain the same number of atoms.
C
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Using a globe and your atlas or other world map, locate three cities that are located at approximately the 23rd parallel in the Northern Hemisphere; note their location in degrees (and minutes, if your map is detailed enough to estimate minutes). Use the globe first, then refer to the atlas maps to better determine specific latitudes. Be sure and list their country names as well.
- City and Country Name
- Longitude (degrees and minutes, if possible)
Which of the following is an important biological reaction of thiols?
A) the combination of two thiols and the elimination of H2S to yield a thioether B) the reduction of two thiols to form a disulfide C) the oxidation of two thiols to form a disulfide D) none of the above
Where would a footloose industry be most likely to locate?
A) in northern urban areas of the U.S. B) in southern suburban areas of the U.S. C) in the Core D) in the Periphery E) wherever it wishes
What soil property is classified into different groups called separates?
A. color B. texture C. structure D. cohesion E. composition