4g NH_(4)NO_(3) were dissolved in 100 g water in bomb calorimeter with heat capacity of calorimether system 150JK^(-1).the temperature dropped by 1.5 K Enthalpy of solution of NH_(4)NO_(3)is :

4g NH_(4)NO_(3) were dissolved in 100 g water in bomb calorimeter with

1.	4g NH_(4)NO_(3) were dissolved in 100 g water in bomb calorimeter with heat capacity of calorimether system 150JK^(-1).the temperature dropped by 1.5 K Enthalpy of solution of NH_(4)NO_(3)is :
Answer» `450KJmol^(-1)` `-450KJmol^(-1)` `4.5KJmol^(-1)` `-4.5KJ MOL^(-1)` ANSWER :C