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Stoichiometry

Stoichiometry
Total energy at a point comprises of __________ energy.

Pressure
All of these
Potential & kinetic
Internal

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Stoichiometry
Heat of transition is the heat evolved or absorbed, when a substance is converted from

Solid to liquid
Vapor to liquid
One allotropic form to another allotropic form
Vapor to solid

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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
+1632.3
-2448.45
+816.15

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Stoichiometry
pH value of an alkaline solution is

7
> 7
Constant over a wide range
< 7

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Stoichiometry
Avogadro's number is equal to

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Stoichiometry
Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is

3
2
1

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