Answer
Please see the work below.
Work Step by Step
(a) We know that for an isothermal process
$Q=-W$
$\implies Q=-(-3.3KJ)=3.3KJ$
(b) We know that
$W=-nRTln(\frac{V_2}{V_1})$
We plug in the known values to obtain:
$-3300=-n(8.314)(440)ln(\frac{10}{1})$
$n=0.39 \ moles$
