Sodium azide, NaN3is an ionic compound consisting of Na ions and N3-ions. A 0.50 M solution of NaN3has a pH of 9.21. Calculate the pH of a 0.50 M aqueous solution of HN3(aq) A.3.52B.9.21C.2.52D.4.36E.6.64

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Who examines and coordinates the cleanup of polluted sites?

Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species