Asubstance has a freezing point of 24 °c. which of the following is true for the substance?
when the substance is heated, its temperature will start rising above 24 °c after 50% of the liquid has changed to vapors.
when the substance is heated, its temperature will start rising above 24 °c after 100% of the solid has changed to liquid.
when the substance is cooled, its temperature will fall below 24 °c after 100% of the vapors have changed to liquid.
when the substance is cooled, its temperature will fall below 24 °c after 50% of the liquid has changed to solid.