Answer to Question #266387 in General Chemistry for papi

Question

Salicylic acid, C

7

H

6

O

3

, is one of the starting materials in the manufacture

of aspirin. When 1.00

g of salicylic acid burns in a bomb calorimeter,

the temperature of the bomb and water goes

from 23.11

o

C to 28.91

o

C. The

calorimeter and water absorb 21.9 kJ of heat. How much he

at is

given off

when one mole of salicylic acid burns?

Answer 1

1 gram of salicyclic acid gives 21.9 KJ So, 138 grams gives = 138 x 21.9 = 3022.2 KJ Therefore, the answer is 3022.2 KJ