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Stoichiometry

Stoichiometry
The quantity of heat required to evaporate 1 kg of a saturated liquid is called

Latent heat
1 Kcal
Sensible heat
Specific heat

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Stoichiometry
1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is

(C₂H₄)2H₂.OH
C2H33OH
C₃H21OH
C₄H9OH

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Stoichiometry
With rise in temperature, the solubility of ammonia in water at a fixed pressure

Increases exponentially
Decreases
Remains unchanged
Increases

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Stoichiometry
Which of the following ratios defines the recycle ratio in a chemical process?

Recycle stream/gross feed stream
None of these
Recycle stream/fresh feed stream
Gross feed stream/recycle feed stream

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Stoichiometry
Isotopes are atoms having the same

None of these
Atomic mass
Mass number
Number of neutrons

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Stoichiometry
Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is

18.33 kJ
10.73 kJ
16.15 kJ
18.11 kJ

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