20 Water is brought to boil under a pressure of 1 0 atm When

Last updated: 6/30/2023

20 Water is brought to boil under a pressure of 1 0 atm When an electric current of 0 50 A from a 12 V supply is passed for 300 s through a resistance in thermal contact with it it is found that 0 798 g of water is vaporised Calculate the molar internal energy change at boiling point 373 15 K a 37 5 kJ mol c 42 6 kJ mol b 3 75 kJ mol d 4 26 kJ mol 1