When $1 \ mole$ of gas is heated at constant volume,the temperature rises from $273 \ K$ to $546 \ K$. If heat supplied to the gas is $x \ J$,then find the correct statement from the following.
- A$Q = \Delta U = x \ J, W = 0$
- B$Q = W = x \ J, \Delta V = 0$
- C$\Delta V = 0, Q = W = -x \ J$
- D$Q = -W = x \ J, \Delta V = 0$
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