Stoichiometry 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is C₄H9OH (C₂H₄)2H₂.OH C2H33OH C₃H21OH C₄H9OH (C₂H₄)2H₂.OH C2H33OH C₃H21OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With rise in pressure, the solubility of gases in solvent, at a fixed temperature Increases Remains unchanged Decreases Decreases linearly Increases Remains unchanged Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With increase in the temperature of pure (distilled) water, its PH decreases and pOH increases POH and pH both 4ecreases PH and pOH both increases POH decreases and pH increases PH decreases and pOH increases POH and pH both 4ecreases PH and pOH both increases POH decreases and pH increases 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 M/s Mole/m².s.Pa Kmole/m².s.Pa Cm/s M/s Mole/m².s.Pa Kmole/m².s.Pa Cm/s ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 40 12 96 48 40 12 96 48 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The evaporation of aqueous solution of sugar causes its molarity to Decrease. increase. Either A or B; depends on the concentration of the solution. Remain unchanged. Decrease. increase. Either A or B; depends on the concentration of the solution. Remain unchanged. ANSWER DOWNLOAD EXAMIANS APP
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