Which is true regarding covalent substances placed in water? a. covalent substances conduct electricity very well in water. b. the molecules aren't separated from one another by water molecules. c. covalent substances don't dissociate into charged particles. d. the solute particles in the covalent substances are able to overcome the attractive forces between the solvent and the solute.

__can be defined as which velocity changes

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.

What is the standard unit of measure for acceleration?