Which of the following pairs of reagents reacts to give an ester which is an isomer of propyl acetate?
A) formic acid + 1-butanol
B) propanoic acid + methanol
C) butanoic acid + ethanol
D) none of these
A
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An open system is characterized by
A) inputs of energy and matter that come from outside the system. B) energy and matter that are stored in the system, but not within the living tissue. C) negative feedbacks rather than positive feedbacks. D) the absence of secondary consumers.
As S- and P-waves travel farther, ____
A)their intensity increases B)the surface waves catch up C)they overtake the surface waves D)the P-S time interval increases E)the P-S time interval decreases
All of the following are arguments in favor of globalization, EXCEPT
A) globalization is a logical expression of international capitalism that will benefit all peoples and all nations. B) globalization encourages the spread of beneficial new technologies and ideas. C) the removal of trade barriers will cause inefficient local industries to become more efficient, and more able to compete internationally. D) each country and region of the world will profit by concentrating on the activities for which they are best suited in the global economy. E) globalization will lead to world peace.
Insolation is least dependent upon
A) changes in the composition of the thermosphere. B) time of year. C) latitude. D) time of day. E) changes in the energy output of the Sun.