Respuesta :
The answer to this question is that Q represents the amount of energy transferred for the phase change.
Answer: Q represents the quantity of heat energy transferred for the phase change.
Explanation: The Q in the formula (Q = m x L) represents the quantity of heat required to totally effect a phase change of a unit of mass (m), usually 1kg of a substance. It is the quantity of heat energy released or absorbed during the change of phase of a substance.