Enthalpy of sublimation of iodine is at . If specific heat of and (vap) are 0.055 and respectively, then enthalpy of sublimation of iodine at in is:

(1) 11.4 (2) 2.85 (3) 22.8 (4) 5.7

Question

Enthalpy of sublimation of iodine is  at . If specific heat of  and  (vap) are 0.055 and  respectively, then enthalpy of sublimation of iodine at  in  is:

(1) 11.4  (2) 2.85  (3) 22.8  (4) 5.7

Canvas Classes · Accepted Answer

Strategy:
 Use Kirchhoff's equation to find the enthalpy of reaction at a different temperature: .

Step 1: Calculate 
Sublimation: 
.

Step 2: Apply Kirchhoff's equation
.
.

More questions from Thermodynamics