How many liters are in 5.42 mols of O2 gas?

(2 decimal places.)

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.

We can't until we know what we are working with or on

27. =3,500,000 x 4,000 = 14,000,000,000

Ithink about 50 % of an original isotope's number of atoms remain