Chemistry Practice Problems Entropy Practice Problems Solution: Which of the following reactions have a positive Δ...

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Solution: Which of the following reactions have a positive ΔSrxn? Check all that apply.A. A(g) + B(g) → 3 C(g)B. A(g) + B(s) → C(g)C. A(g) + B(g) → C(g)D. A(g) + 2 B(g) → C(g)

Problem

Which of the following reactions have a positive ΔSrxn? Check all that apply.

A. A(g) + B(g) → 3 C(g)

B. A(g) + B(s) → C(g)

C. A(g) + B(g) → C(g)

D. A(g) + 2 B(g) → C(g)

Solution
  • Entropy is the measurement of disorderliness

  • Recall that when we move from: solid →  liquid → gas, the expected entropy (ΔS) will increase

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