Multiple ChoiceWhich of the following best describes the process of melting in a phase diagram?31views
Multiple ChoiceWhich of the following must occur for solid water (ice) to change to liquid water?25views
Multiple ChoiceA phase change graph for a substance shows a plateau at 45 °C as heat is added at constant pressure. What is the melting point of this substance?32views
Multiple ChoiceAt the melting point and boiling point of a pure substance, what occurs as heat is added at constant pressure?32views