When heat is given to a gas in an isothermal change, the result will be
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(a)In isothermal change, temperature remains constant, Hence $\Delta U = 0.$
Also from $\Delta Q = \Delta U + \Delta W$ $⇒$ $\Delta Q = \Delta W$
Also from $\Delta Q = \Delta U + \Delta W$ $⇒$ $\Delta Q = \Delta W$
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