A sample of oxygen gas is collected over water at 28°C. The vapor pressure of water at 28°C is 30.6 mmHg. If the total pressure is 101.3 mmHg, what is the partial
pressure of the oxygen?

It’s b. mass i searched it up

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.

Isec i will do it and them i will let you know