What is the empirical formula of a hydrocarbon if 3.60 grams of the hydrocarbon is burned and produces 11.9 grams of carbon dioxide and 3.25 g of water? Please help me!! <3

How do scientists think that gravity affected the formation of our solar system?

Consider the story you just read. all but one of the choices below indicate that something is living.

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point