Edg - Lab: Physical and Chemical Changes Virtual Lab Active - Help??? this will not let me move on? has anyone else had this problem?

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

Is heavenly controller dating someone?

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.