Which of the following is the correct order of priorities in the R,S system?
A) tert-butyl > butyl > isopropyl > propyl
B) tert-butyl > isopropyl > butyl > propyl
C) isopropyl > tert-butyl > propyl > butyl
D) propyl > butyl >isopropyl > tert-butyl
B
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Solar thermal systems would be inexpensive to build and most effective in heating
A) a cabin in Alaska in the winter. B) a swimming pool in Arizona in the winter. C) a home in South Dakota in the fall. D) water in a home in Oregon in the spring.
We are able to see the sun for several minutes AFTER it has slipped below the horizon because:
A) we are unable to perceive light bending. B) Actually, we can't see the sun once it is below the horizon. C) our eyes are able to recognize internal reflection. D) ice crystals have diffracted the light.
Which of the following is INCORRECT regarding the differences in the heating of land and water?
A) Soil has a higher specific heat than water. B) Water transmits through water better than soil. C) Water has mobility and is mixed in ocean currents. D) A greater amount of evaporation occurs over oceans than over land.
What best describes the difference between solar thermal and photovoltaic systems?
A. solar thermal operates only during the daytime B. photovoltaic generates electricity only C. solar thermal works better in warm climates D. photovoltaic use electricity and can operate at night E. photovoltaic generates both heat and electricity