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Stoichiometry

Stoichiometry
The vapor pressure of water at 100°C is

76 cms of Hg
100N/m²
13.6 cms of Hg
760 mm wc

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Stoichiometry
An aqueous solution of 2.45% by weight H₂SO₄ has a specific gravity of 1.011. The composition expressed in normality is

0.2528
0.5
0.25
0.5055

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Stoichiometry
With increase in the solute concentration, the specific heat of aqueous solutions

Remains unchanged
Decreases
Either A or B; depends on the type of solution
Increases

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Stoichiometry
Compressibility factor of a real gas is the ratio of the actual volume to that predicted by ideal gas law. As the pressure of the gas approaches zero, the compressibility factor approaches

1
0.24
∞

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Stoichiometry
One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The amount of water vapour condensed (in kg) is

0.065
0.1
1

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Stoichiometry
A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis

1.35
1.2
1.25
1.3

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