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Stoichiometry

Stoichiometry
1 kgf/cm² is not equal to

1 torr
1 bar
100 KPa = 100 000 N/m²
10000 mm wc

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Stoichiometry
The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole.

44
1
16

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Stoichiometry
The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is

Not a function of the nature of vapor
Termed as relative saturation
Called percentage saturation
Not a function of the composition of gas mixture

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Stoichiometry
In the reaction, Ca + 2H₂O = Ca(OH)₂ + H₂ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40)

4480
0.4
1120
2240

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Stoichiometry
Which of the following is not a colligative property?

Lowering of vapor pressure
Osmotic pressure
Depression of freezing point
None of these

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Stoichiometry
If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.

It will undergo no change until
None of these
The solvent begins to freeze out even before
It will not solidify even on

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