Stoichiometry The number of atoms of oxygen present in 11.2 litres of ozone (O₃) at N.T.P. are 9.03 x 10²⁴ 3.01 x 10²² 1.20 x 10²⁴ 6.02 x 10²³ 9.03 x 10²⁴ 3.01 x 10²² 1.20 x 10²⁴ 6.02 x 10²³ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a temperature of 0°K, the molecules of a gas have only __________ energy. Rotational Translational Vibrational None of these Rotational Translational Vibrational None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of Solution Combustion Fusion Formation Solution Combustion Fusion Formation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 torr is equivalent to 1 ata 1 mm wc 1 mm Hg 1 Pascal 1 ata 1 mm wc 1 mm Hg 1 Pascal ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m³ . The diffusivity of aniline in air is 0.74xl0-5m²/s.The numerical value of mass transfer co-efficient is 7.4 x 10-3. Its units are Cm/s M/s Kmole/m².s.Pa Mole/m².s.Pa Cm/s M/s Kmole/m².s.Pa Mole/m².s.Pa ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids of similar chemical nature at any particular temperature __________ with increase in the molecular weight. Decreases Remains unchanged Either A or B; depends on the liquid Increases Decreases Remains unchanged Either A or B; depends on the liquid Increases ANSWER DOWNLOAD EXAMIANS APP
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