What is a major drawback of using fossil fuels?

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.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

The identities of substances are the same before and after which type of change