The  ΔfH∘  of  BaSO4(s), Ba2+(aq)  and  SO42−(aq)  are  −350.6, −128.3  and  −216.3kcal . The heat of reaction (in kcal) is minus:

Question

The  ΔfH∘  of  BaSO4(s), Ba2+(aq)  and  SO42−(aq)  are  −350.6, −128.3  and  −216.3kcal . The heat of reaction (in kcal) is minus:
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Solution 1

The heat of reaction, also known as the enthalpy change (ΔH), can be calculated using Hess's Law, which states that the total enthalpy change for a reaction is the sum of the enthalpy changes for each step in the reaction and is independent of the path taken.

In this case, the reaction is:

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Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv

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