On the basis of individual bond polarity and ori-
entation, determine whether each of the follow-
ing molecules would be polar or nonpolar:
a. h2o
b. 12
c. cf4
d. nhz
e. co

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?