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Stoichiometry

Stoichiometry
°API gravity of water at N.T.P. is about

100
1
10

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

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

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Stoichiometry
The heat of vaporisation __________ with increase in pressure.

Increases
Both B and C
Becomes zero at critical pressure
Decreases

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Stoichiometry
In the reaction, represented by Na₂CO₃ + HC₁ → NaHO₃ + NaCl, the equivalent weight of Na₂CO₃ is

10.6
5.3
53
106

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Stoichiometry
Pick out the wrong unit conversion.

1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm²
None of these
1 mm Hg = 1 torr = 133.3 Pa
1 kPa = 100 bar

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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

1
3
2

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