55 kernels of popcorn have a mass of 6.0 g before popping and 4.5 g after popping. 3.)Calculate the average mass of 1 kernel of unpopped popcorn.

4.) Calculate the average mass of water lost from 1 kernel of popped popcorn.

5.) How many water molecules are lost from an average kernel of popcorn?

HELP PLEASE

The compound methyl butanoate smells like apples. its percent composition is 58.8% c, 9.9% h, and 31.4% o. what’s the empirical formula ?

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

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?