(HELP ASAP) what is the reaction for Si + S₈ --> Si₂S₄

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.

Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?

Aman applies a force of 500n to push a truck 100m down the street how much does he do?