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CGP EDU Academic Team
Published on: August 13, 2026
At 25°C and 1 atm pressure, the enthalpy of combustion of benzene (1) and acetylene (g) are -3268 kJ mol -1 and -1300 kJ mol -1 , respectively. The change in enthalpy for the reaction 3 C 2 H 2 (g) 
C 6 H 6 (1), is
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C
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