Write a balanced chemical equation for each of the following reactions. potassium (s) + chlorine (g) rightarrow^Delta potassium chloride (s) calcium carbonate (s) rightarrow^Delta calcium oxide (s) + carbon dioxide (g) lithium metal (s) + water (l) rightarrow lithium hydroxide (aq) + hydrogen (g) lead (II) nitrate(aq) + sodium iodide (aq) rightarrow lead (II) iodide (s) + sodium nitrate (aq) acetic acid (aq) + barium hydroxide(aq) rightarrow barium acetate (aq) + water (l)