Determine the number of moles in the following samples (PLEASE HELP!!) 54.2 g N2 =
202.2 g MgO =
519.3 g FeCI3 =

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

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?