floppyoj6315 floppyoj6315 06-02-2024 Physics contestada The internal energy change (in J) when 90 g of water undergoes complete evaporation at 100°C is (given: ΔHvap for water at 373 K = 41 kJ/mol, R = 8.314 J K⁻¹ mol⁻¹). a) 189.36 J b) 165.24 J c) 145.98 J d) 110.44 J