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COMEDK2020ChemistryThermodynamics (C)

Considering the reaction, C (s)+ O ₂(g) CO ₂(g)+393.5 ~kJ The signs of H, S and G respectively are array ll a. -,+,- & b. -,-,- c. -,+,+ & d. +,-,- array

Options

  1. A-,+,-
  2. B-,-,-
  3. C-,+,+
  4. D+,-,-

Correct answer

A. -,+,-

Step-by-step solution

The reaction . Q ^ s )+ O ₂(g) CO ₂(g)+3935 ~kJ is a combustion reaction. For combustion reaction. H and G are negative but S is positive.

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