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Stoichiometry

Stoichiometry
Assuming that CO₂ obeys perfect gas law, calculate the density of CO₂ (in kg/m³) at 263°C and 2 atm.

4
3
1
2

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Stoichiometry
Which of the following holds good for a solution obeying Raoult's law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing ) ?

ΔV = 0
Both B and C
ΔH = 0
ΔH = 1 (+ ve)and Δ V = -ve

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Stoichiometry
N.T.P. corresponds to

1 atm.absolute pressure& 0°C
760 torr & 15°C
101.325 KPa gauge pressure & 0°C
760 mm Hg gauge pressure & 0°C

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Stoichiometry
A bypass stream in a chemical process is useful, because it

Increases the yield of products
None of these
Facilitates better control of the process
Improves the conversion

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Stoichiometry
Recycling in a chemical process facilitates

Increased yield
All of these
Enrichment of product
Heat conservation

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Stoichiometry
In case of vapor-liquid equilibria, which of the following does not account for gas phase deviation from ideality?

Activity co-efficient
Fugacity co-efficient
Use of equation of state
None of these

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