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Stoichiometry

Stoichiometry
A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of

None of these
100
3
1000

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Stoichiometry
The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is

Unpredictable
Doubled
Trebled
Halved

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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

2676
2263
40732
540

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Stoichiometry
A solution is made by dissolving 1 kilo mole of solute in 2000 kg of solvent. The molality of the solution is

1
0.5
2
0.5

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Stoichiometry
Which of the following is not used for computing latent heat of vaporisation?

Reference substance plots based on Durhing & Othmer plots
Clausius-Clayperon equation
Kistyakowasky's equation
Hess

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

10
1
7
6

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