Answer:
81.5
Explanation:
smartworks
all matter (everything) is made of the elements on the periodic table
Nickel is the answer
Lol that's easy the atomic number is the same number as the number of electrons.
Si is the answer I hope this help
341 Kpa
P1V1=P2V2
P2= P1V1/V2
P2= (155 kPa*22L)/10L
P2=341 kPa