Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 20 100 70 10 20 100 70 10 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 Kmole/m².s.Pa M/s Mole/m².s.Pa Cm/s Kmole/m².s.Pa M/s Mole/m².s.Pa ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation. Humidity Relative saturation Wet bulb temperature Dry bulb temperature Humidity Relative saturation Wet bulb temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 BTU/ft³ is approximately equal to __________ kcal/m³. 9 252 4 1 9 252 4 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At standard conditions, N₂ + 2O₂ ⇋ 2NO₂; ΔG° = 100 kJ/moleNO + ½O₂ ⇋ 2NO₂; ΔG° = -35 kJ/moleThe standard free energy of formation of NO in kJ/mole is 85 170 15 30 85 170 15 30 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a temperature of 0°K, the molecules of a gas have only __________ energy. None of these Vibrational Translational Rotational None of these Vibrational Translational Rotational ANSWER DOWNLOAD EXAMIANS APP
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