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Stoichiometry

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

Sensible heat
Specific heat
1 Kcal
Latent heat

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Stoichiometry
pH value of H₂SO₄ (5% concentration) is

7
> 7
5
< 7

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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

10.73 kJ
18.11 kJ
16.15 kJ
18.33 kJ

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

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

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Stoichiometry
The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the

Total pressure
Temperature
None of these
Nature of both the gas & the liquid

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Stoichiometry
Which of the following expressions defines the Baume gravity scale for liquids lighter than water?

°Be = (140/G) - 130
°Be = 200(G-1)
°Be = (400/G) - 400
°Be = 145 - (145/G)

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