Question

An ideal gas in a sealed container has an initial volume of 2.70 L. At constant pressure, it is cooled to 19° C where its final volume is 1.75 L. What was the initial temperature?

Answer 1

This question is ill-proposed, but Charles' Law applies, `V_1/T_1=V_2/T_2`, temperatures are absolute values.

Explanation:

`T_1` `=` `V_1/V_2xxT_2` `=` `(2.70*L)/(1.75*L)xx292*K` `=` `??K`

The question SHOULD have proposed a piston rather than a sealed container, whose volume should reasonably remain constant.