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Stoichiometry

Stoichiometry
pH value of H₂SO₄ (5% concentration) is

> 7
5
7
< 7

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Stoichiometry
For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction).

Inversely
Exponentially
Negligibly
Linearly

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Stoichiometry
The average value of heat of neutralisation of dilute solution of strong acids and strong bases is about __________ kcal/kg.mole of water formed.

97302
13360
2481
6680

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Stoichiometry
Avogadro's number is equal to

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Stoichiometry
Pick out the wrong unit conversion of calorific value.

1 kcal/m³ = 0.1124 BTU/ft³
1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg
1 BTU/lb = 2.3 kcal/kg
1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³

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Stoichiometry
1 ata is equivalent to

10 torr
1 kgf/cm²
1 atm
0.98 Pascal

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