How Many KJ
are in 1500 cal. ​

Explanation:

It is known that 1 cal is equivalent to 4.184 J

1500 cal will be equivalent to

Also, 1 kJ is equivalent to 1000 J

So, 6276 J is equal to

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 :

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