In what form(s) will a carboxylic acid, RCOOH, be present if the pH of an aqueous solution is adjusted to be very much higher than the pKa of the acid?
A) primarily as RCOOH (aq)
B) primarily as RCOO- (aq)
C) equal amounts of (a) and (b)
D) neither (a) nor (b)
B
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What is an atmospheric river?
A) A period of extended rainfall in areas that are typically very dry. B) A zone of saturated air and frequent fog near the Gulf Stream. C) A zone of intense rainfall associated with an mP air mass. D) An atmospheric flow that transports vast amounts of moisture to regions outside of the tropics.
A species that is naturally rare or that has been depleted to dangerous levels is known, according to the Endangered Species Act, as a(n) ________ species.
A. Endangered B. Unusual C. At risk D. Vulnerable E. Threatened
What are some ways in which mountains form? What will be an ideal response?
The United States uses much more of some commodities than it produces. Therefore, the United States imports from other countries to meet its needs. However, much of this trade imbalance is offset by the exportation of large quantities of
A) automobiles. B) grains. C) palm oil, spices, and cocoa. D) household goods (e.g., TVs, dishwashers, furnaces).