A combustion analysis is done on 522.4 grams of an unknown substance. The analysis produces 499.4 g of carbon dioxide and 204.5 g of water. There are no other products. What is the empirical formula of the unknown substance?

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

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?