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Stoichiometry

Stoichiometry
Claussius Clapeyron equation applies to the __________ process.

All of these
Sublimation
Vaporisation
Melting

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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 latent heat of condensation (kJ/kg⁻¹ ) under these conditions is

40732
2263
540
2676

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Stoichiometry
NaOH contains __________ percent oxygen.

10
16
40
1

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Stoichiometry
At standard conditions, N₂ + 2O₂ ⇋ 2NO₂; ΔG° = 100 kJ/moleNO + ½O₂ ⇋ 2NO₂; ΔG° = -35 kJ/moleThe standard free energy of formation of NO in kJ/mole is

85
30
170
15

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Stoichiometry
One micron is equal to

Both B & C
10⁻⁴ mm
10⁻⁶ m
10⁻⁴ cm

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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)

0.4
2240
4480
1120

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