The internal energy change (in J) when 90 g of water undergoes complete evaporation at `100^(@)C ` is ______ . (Given : `Delta H_("vap")` for water at 373 K = 41 kJ mol , `R = 8.314 JK^( 1) mol^( 1)`) Delta Extrax Diamond Heights Disposable 3G D8 Gas Delta 8 1000mg Disposable White Widow Hemplitude vp vs temp.svg
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