Calculate ΔS∘ for the following reaction: SnCl4(l)→SnCl(g).
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Answer from Sia
Posted 5 months ago
Solution
1
Identify the reaction: The given reaction is SnCl4(l)→SnCl(g)
2
Determine the standard entropy change ($\Delta S^{\circ}$): To calculate ΔS∘, we need the standard molar entropies (S∘) of the reactants and products. The formula is:
ΔS∘=∑S∘(products)−∑S∘(reactants)
Given the standard molar entropies:
- S∘(SnCl4(l))=SSnCl4(l)∘
- S∘(SnCl(g))=SSnCl(g)∘
The calculation is:
ΔS∘=SSnCl(g)∘−SSnCl4(l)∘
Answer
The standard entropy change (ΔS∘) for the reaction is calculated using the standard molar entropies of the reactants and products.
Key Concept
Standard entropy change (ΔS∘)
Explanation
The standard entropy change for a reaction is determined by subtracting the sum of the standard molar entropies of the reactants from the sum of the standard molar entropies of the products.
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