Which of the following bases has the weakest conjugate acid?
A) CH3COO-
B) C6H5O-
C) HSO4-
D) H2PO4-
B
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Lillian safely touches a 100,000-volt Van de Graaff generator. Although the voltage is high, the small amount of charge means a small amount of
A. polarization. B. conduction. C. electric field. D. energy transfer.
The continental edge between locations 4 and 5 is probably
A) a divergent boundary.
B) a convergent boundary.
C) an active continental rift.
D) where two plates are colliding.
E) not a plate boundary.
American firms account for a little more than half of all foreign direct investment
Indicate whether the statement is true or false.
Specially-designed fire shelters provide firefighters with limited protection for what length of time under moderate fire conditions?
a. 10 minutes b. 15 minutes c. 20 minutes d. 30 minutes e. about an hour