Calculate Δ_rS° for the Following Reaction

question 17

Multiple Choice

Calculate Δ_rS° for the following reaction. The S° for each species is shown below the reaction. 4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g)
S°(J K^-1 mol^-1) 192.8 205.2 210.8 188.8

• A) +287.4 J K^-1 mol^-1
• B) -401.2 J K^-1 mol^-1
• C) +160.0 J K^-1 mol^-1
• D) -336.6 J K^-1 mol^-1
• E) +178.8 J K^-1 mol^-1

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Definitions:

Abstract Mental Concept

The ability to understand ideas that are not tied to concrete physical objects or experiences.

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Relating to or denoting symbols or symbolism, which are used to represent ideas or qualities.

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A concept in cognitive psychology where mental representations are understood to have similarities with the physical objects they represent, allowing for inference and understanding based on these analogies.

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