A little help here please

In an energy pyramid, which level has the most available energy?

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

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.