Question

Question #92355

Answer 1

`0.2` `atm`

Explanation:

`P_1 = 1` `atm`, `V_1 = 400` `ml` = `0.4` `L`, `V_2 = 2` `L`, `P_2 = ?`

We know the formula,
`P_1V_1 = P_2V_2`

`1 xx 0.4 = 2 xx x`

`0.4 = 2 xx x`

`x = 0.4/2`

`x` i.e. `P_2 = 0.2` `atm`