question_answer

The heat liberated when 1.89 g of benzoic acid is burnt in a bomb calorimeter at \[25{}^\circ C\] and it increases the temperature of 18.94 kg of water by\[~0.632{}^\circ C\]. If the specific heat of water at \[25{}^\circ C\] is 0.998 cal/g-deg, the value of the heat of combustion of benzoic acid is:

A)  881.1 kcal           

B)     771.124 kcal      

C)     981.1 kcal           

D)     871.2 kcal