Ch3cooh cf3cooh cbr3cooh
list them from least acidic to most acidic

Acidic order from least to most is:

CH3COOH < CBr3COOH < CF3COOH.

The above order is due to inductive effect. F shows maximum +I effect than H and Br which makes compound more acidic.

+Inductive effect α Acidity.

Hope this helps!

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.

Answer the same molecular formula;