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Manipal MET2011ChemistryThermodynamics (C)

( H- U) for the formation of carbon monoxide (CO) from its elements at 298 K is (R=8.314 JK ⁻¹ ~mol ⁻¹ )

Options

  1. A-1238.78 ~J ~mol ⁻¹
  2. B1238.78 ~J ~mol ⁻¹
  3. C-2477.57 ~J ~mol ⁻¹
  4. D2477.57 ~J ~mol ⁻¹

Correct answer

A. -1238.78 ~J ~mol ⁻¹

Step-by-step solution

aligned C _ (s) + 1 2 O _ 2(g) & CO _ (s) ( H- U)=- n R T = & - 1 2 8.314 298=-1238.78 aligned

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