Determine the ph of an aqueous solution that is 0.078 m in hbr and 0.040 m in hno3.

pH of the solution is equal to 0.92

Explanation:

Hydrogen bromide and Nitric acid both are strong acids .So these are completely dissociate in aqueous  solution.

So total H⁺ ion concentration = Conc. of HBr + Conc. HNO₃

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.