Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Do work equal to loss in kinetic energy Collide without loss of energy Exert no attractive force on each other Are above the inversion temperature Do work equal to loss in kinetic energy Collide without loss of energy Exert no attractive force on each other Are above the inversion temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the Same elevation in boiling point Elevation in boiling point in the ratio of their molecular weights None of these Different elevation in boiling point Same elevation in boiling point Elevation in boiling point in the ratio of their molecular weights None of these Different elevation in boiling point 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 Mole/m².s.Pa M/s Kmole/m².s.Pa Cm/s Mole/m².s.Pa M/s Kmole/m².s.Pa ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Size range of the colloidals particles is 50 - 200 microns 5 - 200 milli-microns 10 - 50 Angstrom 500 - 1000 microns 50 - 200 microns 5 - 200 milli-microns 10 - 50 Angstrom 500 - 1000 microns ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor whose partial pressure is less than its equilibrium vapor pressure is called a __________ vapor. Superheated Supersaturated Saturated None of these Superheated Supersaturated Saturated None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature. Decreases Remains unchanged Increases linearly Increases Decreases Remains unchanged Increases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
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