Stoichiometry One micron is equal to __________ cm. 44112 44110 44106 44108 44112 44110 44106 44108 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction None of these Temperature & pressure Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction None of these Temperature & pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. √2 43834 4 43832 √2 43834 4 43832 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 Mole/cm². s Kmole/m² . s Mole/m² . s Mole/s Mole/cm². s Kmole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Average molecular weight of air is about 23 79 21 29 23 79 21 29 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole. 57.46 -28.73 114.92 -57.46 57.46 -28.73 114.92 -57.46 ANSWER DOWNLOAD EXAMIANS APP