CAN SOMEONE HELP WITH MY ASSIGNMENT!? ​

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

Give a real-world example of an energy transformation that uses two of the following forms of energy: chemical, mechanical, nuclear, gravitational, radiant, electrical, thermal (heat), and/or sound.

Silver reacts with oxygen to produce silver oxide. (write balanced chemical equation and identify type of chemical reaction.)