7. You want to heat your Jacuzzi (500gal and 3.785L = 1 gal and 1000 ml =1.0L) from a chilly 60F to a pleasant 104F, how much energy is required to
accomplish this heating?

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

An unknown insoluble substance displaced the water shown. it's mass is indicated on the triple beam balance. mass = a. 694 b. 693.5 c. 693.0 d.693.8