Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 54 27 2.7 5.4 54 27 2.7 5.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C). °API = (141.5/G) - 131.5 °API = (140/G) - 130 °API = 200(G - 1) °API = 145 - (145/G) °API = (141.5/G) - 131.5 °API = (140/G) - 130 °API = 200(G - 1) °API = 145 - (145/G) ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of gas constant 'R' is __________ kcal/kg.mole.°C. 2.79 None of these 1.987 3.99 2.79 None of these 1.987 3.99 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of mass transfer co-efficient. 1 kg/hr . m² = 4.8823 lb/hr . ft² 1 lb/hr.ft³.atm. = 4.8182 kg/hr.m².bar 1 lb/hr . ft² = 4.8823 kg/hr . m² 1 kg/hr.m².atm= 0.98687 kg/hr. m .bar 1 kg/hr . m² = 4.8823 lb/hr . ft² 1 lb/hr.ft³.atm. = 4.8182 kg/hr.m².bar 1 lb/hr . ft² = 4.8823 kg/hr . m² 1 kg/hr.m².atm= 0.98687 kg/hr. m .bar 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 Kmole/m² . s Mole/cm². s Mole/s Mole/m² . s Kmole/m² . s Mole/cm². s Mole/s Mole/m² . s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One of the specific gravity scales is "Brix" (used speicifically for sugar solution). It is defined as None of these Brix = (400/G) - 400 Brix = 145 - (145/G) Brix = 200 (G-1) None of these Brix = (400/G) - 400 Brix = 145 - (145/G) Brix = 200 (G-1) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS