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Chemistry · THERMODYNAMICS

हिन्दी

When a balanced thermochemical equation is multiplied by a factor of 2, the numerical value of its standard enthalpy of reaction (\( \Delta_r H^\ominus \)):

  1. Remains unchanged
  2. Becomes half
  3. Is squared
  4. Is doubled

Correct answer · Option 4

Is doubled

Explanation

Enthalpy is an extensive property; multiplying the stoichiometric coefficients by 2 also multiplies the enthalpy of reaction by 2.
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