A substance has a molar mass of 259.0 g/mol and 31.1 g of the substance absorbs 3.016 kJ when it melts. Calculate the number of moles in the 31.1 g sample. Answer in units of moles

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.