19. (8) Calculate how much energy (in kJ) is needed to raise the temperature of a 525.0 g sample of ethanol (molar mass
Posted: Thu Jun 09, 2022 7:56 am
19. (8) Calculate how much energy (in kJ) is needed to raise the temperature of a 525.0 g sample of ethanol (molar mass = 46.1 g/mol) from -137 °C to -41 °C. Some or all the following information about ethanol may be helpful. AHfus AHvap Cs, solid Cs, liquid Melting Point Boiling Point -114 °C 78 °C 2.44 J/g °C 4.9 kJ/mol 38.6 kJ/mol 2.42 J/g °C