\(V_{2}=2 V\)
\(T_{1}=27^{\circ}+273=300 \mathrm{K}\)
\(T_{2}=?\)
From charle's law
\(\frac{V_{1}}{T_{1}}=\frac{V_{2}}{T_{2}}(\because \text { Pressure is constant })\)
or, \(\quad \frac{V}{300}=\frac{2 V}{T_{2}}\)
\(\therefore \quad T_{2}=600 \mathrm{K}=600-273=327^{\circ} \mathrm{C}\)