Answer:
A:Helium
Explanation:
Some element are monatomic,meaning they are made of single (mon-)atom(-atomic)in their molecular form.
P2 = P1*n2 / n1
=1.02 atm *0.008 moles / 0.00113 moles
= 7.22 atm
∴the new pressure will be 7.22 atm
Which of these what?
This isn't clear, can you put the answer choice or something?
