The decomposition of baking soda (nahco3) is given in this reaction: 2nahco3 → na2co3 + h2o + co2 if 8 moles of baking soda decompose, how many moles of na2co3 are produced? 1 2 4 8

Iknow #2 is d. i just need to know why

What material does not melt at any temperature

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?