Barium peroxide (BaO2) decompose giving barium oxide (BaO) and dioxygen. Making 50 g of barium peroxide to react, what mass of barium oxide and what volume of oxygen in STP can be obtained?

Why doesn't heat added to water make the tempature rise above 100c

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?

Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?