JEE Main 2020 Chemistry question
The internal energy change (in J) when 90g of water undergoes complete evaporation at 100ºC is . (Given : for water at 373 K = 41 kJ/mol, R = 8.314 )
Answer: 189494
The internal energy change (in J) when 90g of water undergoes complete evaporation at 100ºC is . (Given : for water at 373 K = 41 kJ/mol, R = 8.314 )