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Stoichiometry

Stoichiometry
For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become

9P
P/3
3P
9P²

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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

12712 J
19206 J
4576 J
13728 J

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Stoichiometry
A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.

Conversion
Rate constant
Equilibrium constant
None of these

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Stoichiometry
The value of (Cp - Cv)for a real gas obeying Vander Wall's equation is

0.5 R
> R
R
< R

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Stoichiometry
For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to

1
> 1
< 1

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Stoichiometry
In a chemical process, the recycle stream is purged for

Increasing the product yield
Enriching the product
Heat conservation
Limiting the inerts

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