The stopcock connecting a 1.30 L bulb containing xenon gas at a pressure of 6.15 atm, and a 4.25 L bulb containing oxygen gas at a pressure of 3.53 atm, is opened and the gases are allowed to mix. Assuming that the temperature remains constant, the final pressure in the system is 8.33 atm. True or false?

False.

The final pressure in the system is 4.14 atm

Explanation: Please see the attachments below

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.