A reduction in visibility due to the absorption and scattering of light by air pollution is called:
A) particulate ocular reduction. B) photochemical fog.
C) smog. D) haze.
D
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The compound 6-aminohexanoic acid is used to make the condensation polymer nylon-6. Polymerization is not always successful, however, because of a competing side reaction. What is this side reaction?
A. One end of the 6-aminohexanoic acid reacts with the other, and this reaction is favored in concentrated solutions. B. One 6-aminohexanoic acid reacts with another, and this reaction is favored in dilute solutions. C. One end of the 6-aminohexanoic acid reacts with the other, and this reaction is favored in dilute solutions. D. One 6-aminohexanoic acid reacts with another, and this reaction is favored in concentrated solutions.
If the pH of a solution was 7 and you were to increase the hydronium ion concentration 1000×, what would the pH be?
A. 10 B. 7,000 M C. 1 × 10-4 M D. 4 M E. 4
The most important factor controlling soil formation is ____________________. Fill in the blank(s) with the appropriate word(s)
Carbon dioxide in the atmosphere contributes to global warming by
A) transmitting visible light and absorbing infrared radiation. B) transmitting infrared radiation and absorbing visible light. C) transmitting infrared radiation and visible light. D) absorbing infrared radiation and visible light.