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(ΔH – ΔU) for the formation of carbon monoxide (CO) from its elements at 298 K is (R = 8.314JK–1mol–1 ).

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(ΔH – ΔU) for the formation of carbon monoxide (CO) from its elements at 298 K is (R = 8.314JK–1mol–1 )

(a) –1238.78J mol–1 

(b) 1238.78J mol–1

(c) –2477.57J mol–1 

(d) 2477.57J mol–1.

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