Stoichiometry Which of the following is an exothermic reaction? Dehydrogenation of ethane to ethylene Conversion of graphite to diamond None of these Decomposition of water Dehydrogenation of ethane to ethylene Conversion of graphite to diamond None of these Decomposition of water ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases. Intermolecular forces Kinetic energy Total energy Potential energy Intermolecular forces Kinetic energy Total energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of Combustion Formation Fusion Solution Combustion Formation Fusion Solution ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion. None of these 1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm² 1 kPa = 100 bar 1 mm Hg = 1 torr = 133.3 Pa None of these 1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm² 1 kPa = 100 bar 1 mm Hg = 1 torr = 133.3 Pa 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/cm². s Kmole/m² . s Mole/m² . s Mole/s Mole/cm². s Kmole/m² . s Mole/m² . s Mole/s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For estimation of heat capacity of a solid compound, one can use Trouton's rule Clayperon's equation Kopp's rule Gibb's equation Trouton's rule Clayperon's equation Kopp's rule Gibb's equation ANSWER DOWNLOAD EXAMIANS APP
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