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Stoichiometry

Stoichiometry
How many phases are present at eutectic point?

1
Unpredictable
2
3

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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.

+816.15
+1632.3
-1632.3
-2448.45

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Stoichiometry
For an ideal gas, the compressibility factor

Is unity at all temperature
Zero
Decreases with pressure rise
Is unity at Boyle's temperature

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Stoichiometry
Internal energy of a substance comprises of the __________ energy.

Rotational
All of these
Translational
Vibrational

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Stoichiometry
The average translational kinetic energy with which a gas molecule is endowed is dependent on its

All of these
Nature
Absolute temperature
Size

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Stoichiometry
The elevation in boiling point of a solution is proportional to the __________ of the solution.

Molarity
Molal concentration
Reciprocal of the molal concentration
Normality

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