Stoichiometry Which of the following is insensitive to changes in pressure? Heat of vaporisation Melting point Heat of fusion Both B & C Heat of vaporisation Melting point Heat of fusion Both B & C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For a reacation, X → Y, if the concentration of 'X' is tripled; the rate becomes nine times. The order of reaction is 3 2 1 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. The temperature at which the above mixture will exert a pressure of one standard atm. is 110.6°C Less than 100°C Between 100 and 110°C 100°C 110.6°C Less than 100°C Between 100 and 110°C 100°C 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 Mole/m².s.Pa Kmole/m².s.Pa M/s Cm/s Mole/m².s.Pa Kmole/m².s.Pa M/s Cm/s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant? 100°C 200°C 273°K 273°C 100°C 200°C 273°K 273°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half, will result in __________ in the volume of the gas. No change Four fold increase L/4th reduction Doubling No change Four fold increase L/4th reduction Doubling ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS