What is a claim?
a. a statement that responds to and defends against something
b. a statement that takes a stand on a controversial issue
c. an analysis of a controversial issue using arguments
d. an analysis of a personal situation using opinions

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.