To determine if a reaction is exoteric a student should use

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.

Stage in which a typical star has completely stopped fusion

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?