Which of the following is true when comparing the hydrolysis of esters in acidic solution with the hydrolysis of esters in basic solution?
A) Both the acid and the base are true catalysts of the hydrolysis reaction.
B) Neither the acid nor the base is a true catalyst of the reaction.
C) The acid is a true catalyst, but the base is a reagent and must be present in the appropriate stoichiometric amount.
D) The base is a true catalyst, but the acid is a reagent and must be present in the appropriate stoichiometric amount.
C
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Some people have thought that a permanent solution to huge water shortages in the southwestern United States is to create a large canal between the Great Lakes and the southwest. Why is this suggestion most likely not sustainable?
A) The water would evaporate from open canals before flowing into the Southwest. B) It would be too costly. C) It could deplete water levels in the Great Lakes. D) Water in the Great Lakes is needed for local irrigation in the Midwest.
Which climate type primarily borders arid lands (deserts)?
a. semiarid b. humid subtropical c. highland d. humid continental, warm summer e. None of these climate types primarily borders arid lands.
Which of the following elements are in the same period as magnesium (Mg)?
A. Sr B. Mn C. Ca D. Cl E. none of the above
Floodplains have rich soil for farming because
A. there is no deposition of sediment at floodplains. B. large sediments settle out of slow-moving water at floodplains. C. small sediments settle out of slow-moving water at floodplains. D. they are located near the mouth of a river.