Please help (20 points) Hexane reacts with Oxygen to yield Carbon dioxide and Water

how do you write this in skeleton formula

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

Describe the interaction that occurs between two objects with the same electrical charge.

Which of these conditions most likely produces an unstable isotope?