Answer:
20L is the new volume
Explanation:
In this case, moles and T° from the gas remain constant. This is the formula we must apply, to solve this:
P₁ . V₁ = P₂ . V₂
5 atm . 10 L = P₂ . 2.5L
P₂ = (5 atm . 10 L) / 2.5L →20L
Answer
I think it might be B
Explanation
Iron bromide. Iron bromide (FeBr3)
Answer:
Iodine
Explanation:
It's in the same group as chlorine.