Which of the following reactions will have a negative value of S -A- H 2 O 1- H 2 O g B- 2 SO 2 g - O 2 g - 2 SO 3 g C- Cl 2 g - 2 Cl g D- CaCO 3 s - CaO s - CO 2 g

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Entropy

Which of the ...

Question

Which of the following reactions will have a negative value of $△ S$ ?

H_{2} O_{(l)} \to H_{2} O_{(g)}

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2 S O_{2 (g)} + O_{2 (g)} \to 2 S O_{3 (g)}

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C l_{2 (g)} \to 2 C l_{(g)}

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C a C O_{3 (s)} \to C a O_{(s)} + C O_{2 (g)}

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K_{P} = K_{C}

Δ H

Δ U

△ H > △ U

C H_{4} (g) + 2 S_{2} (g) ⇌ C S_{2} (g) + 2 H_{2} S (g)

C O_{2} (g) + C (s) ⇌ 2 C O (g)

4 N H_{3} (g) + 5 O_{2} (g) ⇌ 4 N O (g) + 6 H_{2} O (g)

C_{2} H_{4} (g) + H_{2} (g) ⇌ C_{2} H_{6} (g)

C O C l_{2} (g) ⇌ C O (g) + C l_{2} (g)

C a C O_{3} (s) ⇌ C a O (s) + C O_{2} (g)

2 H_{2} O (l) ⟶ 2 H_{2} (g) + O_{2} (g)

N_{2} (g) + 3 H_{2} (g) ⟶ 2 N H_{3} (g)

C a C O_{3} (s) ⟶ C a O (s) + C O_{2} (g)

N H_{3} (g) + C O_{2} (g) + H_{2} O (l) ⟶ N H_{4} H C O_{3} (a q)

0.10

N H_{4} H C O_{3}

H_{2} O (l)

\frac{y}{100}

y

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