Analysis of a sample of a covalent compound showed that it contained 14.4% hydrogen and 85.6% carbon by mass. what is the empirical formula for this compound?

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?

The three types is stress that act on earths rocks are compression, tension, and