Question

If a gas is cooled from 315 K to 231 K, what was its initial pressure if its final pressure is 625 torr?

Answer 1

The initial pressure was 852.27 torr.

Step-by-step explanation:

Given that,

Initial temperature, T = 315 K

Final temperature, T' = 231 K

Final pressure, P' = 625 torr

We need to find the initial pressure of the gas. We know that, the relation between pressure and temperature is given by :

`(P)/(P')=(T)/(T')\\\\P=(P'T)/(T')\\\\P=(625* 315)/(231)\\\\P=852.27\ torr`

So, the initial pressure was 852.27 torr.