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Stoichiometry

Stoichiometry
As per Kirchoff s equation, the heat of reaction is affected by the

Pressure
Temperature
Volume
Molecularity

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Stoichiometry
For an ideal gas, the compressibility factor

Decreases with pressure rise
Is unity at all temperature
Is unity at Boyle's temperature
Zero

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Stoichiometry
A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16)

140
350
345
485

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Stoichiometry
Gases diffuse faster compared to liquids because of the reason that the liquid molecules

Are heavier
Move faster
Have no definite shape
Are held together by stronger inter-molecular forces

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Stoichiometry
If pH value of a solution is 8, then its pOH value will be

6
7
10
1

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Stoichiometry
Claussius Clapeyron equation applies to the __________ process.

All of these
Vaporisation
Sublimation
Melting

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