The sun has orbited along time so when they ask theses questions I give you the right answer I think lol
92 grams of Y would combine with 46 grams of X
Solid and liquids are much more denser than gas because their molecules are close to each other and with that the molecules of them can't move that freely unlike the gas molecules. Also, because of being near to each other the molecules of solid and liquids became heavy making them dense.
Either no forces or a balanced group of forces
(not a group of "balanced forces"; there's no such thing)
