Question

The heat evolved in the combustion of benzene is represented by the equation:

C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole

The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole.

a.

+816.15

b.

+1632.3

c.

-1632.3

d.

-2448.45

Answer: (c).-1632.3

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Q. The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆...

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