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Stoichiometry

Stoichiometry
One micron is equal to __________ cm.

44112
44110
44106
44108

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Stoichiometry
An aqueous solution of 2.45% by weight H₂SO₄ has a specific gravity of 1.011. The composition expressed in normality is

0.2528
0.5
0.5055
0.25

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Stoichiometry
Pick out the wrong unit conversion of calorific value.

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

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Stoichiometry
Volume percent for gases is equal to the

Mole percent only for ideal gases
Weight percent
Mole percent
Weight percent only for ideal gases

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Stoichiometry
In a neutral solution

OH⁻ ions are absent
Both H⁺ and OH⁻ ions are present in very small but equal concentration
H⁺ ions are absent
None of these

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Stoichiometry
The molecular velocity of a real gas is proportional to (where, T = absolute temperature of the gas).

√T
1/√T
T
T²

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