Hbr is mixed with water. which is the best description of what you would expect to find in the solution? 1. h2br+, oh1−, and water molecules 2. h3o +, br1−, and water molecules 3. hbr molecules and water molecules 4. hbr molecules, h3o +, br1−, and water molecules 5. br1−, oh1−, and water molecules 6. br+, oh1−, and water molecules

The correct answer is 2, H3O + Br-1 and water.
Hydrogen bromide is a strong acid, which dissolves totally in water. In solution HBr will be reduced to hydronium ion {H3O} and bromide ion {Br-}.

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.

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