Stoichiometry
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.

+1632.3
+816.15
-2448.45
-1632.3

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Stoichiometry
Pick out the wrong statement about the recycle stream in a process.

The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the quantity of the same reactant entering the process as fresh feed is called combined feed ratio
Recycling in a process stream helps in utilising the valuable reactants to the maximum with minimum loss of reactants
Recycling is exemplified by refluxing back a part of the distillate to the distillation column to maintain the quantity of liquid within the column
Recycling in a process does not help in getting higher extent of reaction

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