Please help.. During a laboratory experiment, you are given a clear, colorless liquid. Upon heating, you discover a vapor is produced and solid white crystals remain in the test tube. Which of the following correctly describes the original liquid? Mixture

Pure substance

Element

Compound

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.