For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H3PO4 + H2O ? H2PO4- + H3O+
A. acid
B. base
C. neither
D. both
E. none of the above
Answer: A
You might also like to view...
Using Map T-3, determine the gradients of the two first-order streams labeled “a” and “b” on the map above, the second-order stream labeled “c” on the map above, as well as Eds Creek after it has become a third-order stream. Determine stream length to the nearest 0.1 mile (take your measurements from Map T-3, not the small map above) using the graphic scale provided.
The following questions are based on Map T-3, the “Deer Peak, Montana” quadrangle (scale 1:24,000; contour interval 40 feet), and Figure 39-3, a stereogram of the same area showing the drainage basin of Eds Creek (46°54'26"N, 114°31'02"W).
In the diagram below, C is the
A) hadal zone.
B) mesopelagic zone.
C) epipelagic zone.
D) benthic zone.
In cross section, the plates are part of a rigid outer shell of the Earth called the
A. lithosphere B. mantle C. asthenosphere D. crust
Lava ________ develop when gas is unable to escape as the lava solidifies
A) holes B) tubes C) vesicles D) joints E) cavities