An ideal gas has volume ${V_0}$ at ${27^o}C.$ It is heated at constant pressure so that its volume becomes $2{V_0}.$ The final temperature is
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(c) $\frac{{{T_2}}}{{{T_1}}} = \frac{{{V_2}}}{{{V_1}}} = 2 \Rightarrow {T_2} = 2 \times {T_1} = 2 \times 300 = 600\;K = {327^o}C$
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