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One kg of water at 373K is converted int...

One kg of water at `373K` is converted into steam at the same temperature. The volume `1 cm^(3)` of water becomes `1671 cm^(3)` on boiling. Calculate the change in internal energy of the system , if heat of vaporisation is `540 cal g^(-1)`. Given standard atmospheric pressure `=1.013xx10^(5) Nm^(-2)`.

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To calculate the change in internal energy of the system when 1 kg of water at 373 K is converted into steam at the same temperature, we can follow these steps: ### Step 1: Calculate the heat absorbed during vaporization The heat absorbed (Q) during the phase change from water to steam can be calculated using the formula: \[ Q = m \times L \] where: ...
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