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Stoichiometry

Stoichiometry
Total energy at a point comprises of __________ energy.

All of these
Internal
Pressure
Potential & kinetic

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Stoichiometry
1 torr is equivalent to

1 mm wc
1 mm Hg
1 Pascal
1 ata

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Stoichiometry
The equilibria relations in a multicom-ponent and multiphase system can not be calculated with the help of the

Theoretical equations
Emperical equations
Phase rule
Experimental data

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Stoichiometry
A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is

4576 J
12712 J
13728 J
19206 J

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Stoichiometry
An oxidation process is accompanied by decrease in the

Oxidation number
Number of electrons
Number of ions
All of these

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Stoichiometry
The chemical nature of an element is independent of

None of these
Its atomic number
The number of protons or electrons present in it
The number of neutrons present in it

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