What is the empirical formula for cyclooctatetraene (C8H8) and decene (C10H20)?

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

Which of the following statements best explains why chemistry is testable a) it can measure data by experiments b) it cannot add new evidence c) it cannot be verified d) it is biased