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Stoichiometry

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

106
10.6
53
5.3

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Stoichiometry
Percentage saturation of a vapor bearing gas is always __________ the relative saturation.

Equal to
Either A or B; depends on the system
Smaller than
Higher than

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Stoichiometry
One of the specific gravity scales is "Brix" (used speicifically for sugar solution). It is defined as

Brix = 145 - (145/G)
Brix = 200 (G-1)
Brix = (400/G) - 400
None of these

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

1
2
3
4

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Stoichiometry
Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of

Complete wetting
Adsorption
Wetting
Mixing

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Stoichiometry
S.T.P. corresponds to

760 mm Hg gauge pressure & 15.5°C
760 torr & 0°C
101.325 kPa gauge pressure & 15.5°C
1 atm. absolute pressure & 15.5°C

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