Chemical Thermodynamics Question 252

Question: The enthalpy of solution of $ BaCl_2(s) $ and $ BaCl_2.2H_2O(s) $ are $ -20.6 $ and $ 8.8,kJ,mo{{l}^{-1}} $ respectively. The enthalpy change for the reaction $ BaCl_2(s)+2H_2O\to $ is [Roorkee Qualifying 1998]

Options:

A) 29.4 kJ

B) - 11.8 kJ

C) - 20.6 kJ

D) - 29.4 kJ

Show Answer

Answer:

Correct Answer: D

Solution:

$ -20.6-8.8,KJ,mo{{l}^{-1}}=-29.4kJ $ .



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