What describes stable air?
A. air that is warmer than the surrounding air
B. a parcel that does not resist uplift
C. air that is the same density as surrounding air
D. a parcel that resists uplift
E. air that is less dense than its surrounding air
D
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Uncontaminated rain water has a pH of 5.6 (slightly acidic) because
A. oxides of sulfur are always present in the atmosphere, even from natural sources. B. upon condensation, water chemically reacts with carbon dioxide forming a weak carbonic acid. C. most water vapor originates by evaporation from the oceans and sea water is acidic. D. droplets of water necessarily condense on atmospheric particulate.
Ethanol is produced industrially by the acid catalyzed reaction of ethylene with water. The balanced equation for this reaction is: C2H4(g) + H2O(g) ? C2H5OH(l) If water is present in excess, how many moles of ethanol can be produced from 7.24 mol of ethylene?
A) 7.24 B) 14.5 C) 28.0 D) 46.0
Given that winds are inconsistent, the best place to position new wind turbines would be
A) along railroad tracks, where there are few trees. B) along rivers and streams, where there is less human interference. C) in offshore locations where winds are more consistent. D) in deserts, where few man-made structures are located.
Ocean currents in the Northern Hemisphere tend to rotate clockwise
a. True b. False Indicate whether the statement is true or false