Which of the following is the best evidence for a chemical reaction?
(3.5 points)
A.
change in temperature
B.
change of state
C.
formation of a new substance
D.
gas bubbles

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.