Thermodynamics

Section: Chemistry

Question : 8 of 34

Marks: +1, -0

One mole of C2H5‌OH(l) was completely burnt in oxygen to form CO2(g) and H2O(l). The standard enthalpy of formation (∆fH⊖) of C2H5‌OH(l),CO2(g) and H2O(l) is x,y,z‌kJ‌mol−1 respectively. What is ∆rH⊖ (in kJ‌mol−1 ) for this reaction?

[AP EAPCET 22 May 2025 S2]

(2y+3z+x)
(2y−3z+x)
(x−2y−3z)
(2y+3z−x)

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