A science teacher placed a magnesium wire in flame. the wire turned white where the flame touched it. which statement best explains the chemical change A. a new substance formed

D. the magnesium wire changed shape

the subject is science

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.

Adepositional also feature that forms where a stream enters a lake or an ocean is a