How do you determine the freezing point of a solution that does not have a well-defined transition in the cooling curve

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

How hot is the suns corona? (integrated science)