g Suppose you heat a metal object with a mass of 32.8 g to 96.1 oC and transfer it to a calorimeter containing 100.0 g of water at 17.4 oC. The water and metal reach a final temperature of 24.0 oC. What is the specific heat of the metal in cal/g-oC?

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 :

answer seismograph;