Calculate the volume of the red block. The volume is the difference of the water levels with and without the block. Type the correct answer in the box.
The volume of the block is
milliliters.

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.