What type of polar molecule has a positive charge at one end and a negative charge at the other end?

In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.

Word equation for k(s) +h2o(l) yield koh (aq) + h2

Heat is the total potential energy of a substance that can be transferred. true false