HELP ME OUT PLEASE! 55 kernels of popcorn have a mass of 6.0 g before popping and 4.5 g after popping. SHOW WORK! Use 3 decimal places!

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

Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?

Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .