Which of the following reactions would not occur (→no reaction)?

li + hcl → ?

2cu + 4hcl → ?

2fe + 6hcl → ?

ca + 2hcl → ?

What effect might melting sea ice have for people who live in coastal areas?

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive