AP EAMCET 23 May 2023 Shift 1 Paper

At atmospheric pressure, 1g of water has a volume of 1671cm3 in vapor phase. The change in internal energy when 1g of water changes from liquid to vapor phase at atmospheric pressure is
(Latent heat of vaporization of water =2256×103Jkg−1 and latm =105Nm−2 )