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Ganezh [65]
2 years ago
14

1.364mol of H2, 0.682mol of S2 and 0.680mol of H2S were mixed in a 2.00L container at 580°C. At equilibrium the concentration of

H2S was measured as 1.010 molL-1. What is the value of the equilibrium constant at this temperature?
Chemistry
1 answer:
kenny6666 [7]2 years ago
3 0

Answer: equilibrium constant = 2.576

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Nitrogen and hydrogen combine to form ammonia in the Haber process.
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Answer:

-105 kJ

Explanation:

The enthalpy change of a reaction is the sum of the energy of the bonds of the reactants and the products. The bonds at the reactants are being broken, so it's an endothermic reaction, so the bond energy must be positive.

The bonds at the products are being formed, so the process is exothermic, and the bond energy must be negative. There are being broken 1 N≡N bond and 3 H-H bonds, and are being formed 6 N-H bonds:

Reactants: 945 + 3*432 = 2241 kJ

Products: 6*(-391) = -2346 kJ

ΔH = 2241 - 2346

ΔH = -105 kJ

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