Stoichiometry A vapor that exists above its critical temperature is termed as a __________ vapor. Gaseous Unsaturated Saturated Sub-cooled Gaseous Unsaturated Saturated Sub-cooled 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. The rate of evaporation of aniline is 2.97 x 10⁻⁴. Its units are Mole/m² . s Mole/s Kmole/m² . s Mole/cm². s Mole/m² . s Mole/s Kmole/m² . s Mole/cm². s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of an alkaline solution is > 7 7 < 7 Constant over a wide range > 7 7 < 7 Constant over a wide range ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about 0.67 0.19 0.33 0.40 0.67 0.19 0.33 0.40 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong conversion formula for the conversion of weight units : 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton 1 tonne = 1000 kg = 22.046 lbs 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons None of these 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton 1 tonne = 1000 kg = 22.046 lbs 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The effect of pressure on the heat capacity of the gases __________ is negligible. Below the critical temperature Both A & B At pressure below one atmosphere Neither A nor B Below the critical temperature Both A & B At pressure below one atmosphere Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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