Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 43832 43834 4 √2 43832 43834 4 √2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction) Δ H >ΔH Δ H >ΔH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm. 0.065 65 6.5 0.65 0.065 65 6.5 0.65 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If pH value of a solution is 8, then its pOH value will be 7 6 10 1 7 6 10 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Cv for monoatomic gases is equal to(where, R = gas constant) 3R R 1.5 R 2R 3R R 1.5 R 2R 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
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