Answer:
0.2atm
Explanation:
By Boyle's law
P1V1=P2V2
0.5 x 10 = P2 x 25
therefore, P2= 0.2atm
A.
Answer: no
It could be dangerous since you don't know what substance are you adding.it may end up in an explosion
I hope this helps :)
PART 1:
Just apply the formula
speed = distance/ time
= 400/20
= 20 m/s
this is the way to do it
Answer: none
Explanation: there is no picture attached