When ice melts at 0 °C, its internal energy:

  1. increases although its temperature stays constant
  2. decreases
  3. stays the same
  4. becomes zero
Answer

A) increases although its temperature stays constant

Energy increases molecular PE (breaking bonds). SLO P-11-C-02 · Understanding

Physics MCQ · More Kinetic Theory and First Law of Thermodynamics MCQs · Practise