help me plssA. DIRECTION. Determine the percentage composition of all the elements in the compounds. Write your answer on the space provided.

__can be defined as which velocity changes

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

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