Which of the following conditions must be met for a volume ratio to be created from a balanced chemical equation?

changing temperature and pressure
constant temperature and pressure
changing temperature and constant pressure
constant temperature and changing pressure

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.