Calculate the percent ionization of propionic acid (c2h5cooh) in solutions of each of the following concentrations (ka is given in appendix d in the textbook).

From which college can you earn an associate's degree a. a four-year college b. a community college c. a vocational college d. a public university

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.

How do you work out 21.3-8= show your working. plz