Calculate the pH of a 0.30 M solution of sodium formate (NaHCOO) given that the Ka of formic acid (HCOOH) is 1.8 x 10-4. 8.61 10.26 11.87 5.39 2.13

What must happen before a body cell can begin mitotic cell division

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

The ammonia molecule in the diagram has the observed bond orientation because