14. Which statement is true? A. addition of NaoAc to a solution to a solution of HOAc increase the pH
B. Addition of NH3 to saturated solution of AgCl causes more AgCl to dissolve
C. Addition of NH4CL to solution of NH3 lowers the pH value
D. All of the above is true

answer: the value of enthalpy change will be -152.80 kj.

solution:

pressure = 1atm , temperature = = 298 k

given that pressure and temperature are same in both gases , the number of moles of both gases can be determined by the ideal gas equation.

according to reaction 3 moles no are reacting with 1 mol of ,then 0.49 mol of no will react with moles of ozone that is 0.16 moles of ozone. since, no is limiting reagent and is an excessive reagent.

enthalpy change for the reaction between the given volumes of the gases is :