MHT CET202312 May 2023Morning ShiftChemistryThermodynamics (C)Actual
For reaction, CO _ ( g ) + 1 2 O _ 2( ~g ) CO _ 2( ~g ) Which of the following equations is CORRECT at constant T and P ?
Options
- AH < U
- BH > U
- CH = U
- DH ^ =0
Correct answer
A. H < U
Step-by-step solution
aligned & H = U + n _ g RT & n _ g =1-(1+0.5)=-0.5 & H = U -0.5 & H < U aligned