Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 40 12 48 96 40 12 48 96 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c. 141.5 293 566 283 141.5 293 566 283 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be Neutral Basic Of the same acidity More acidic Neutral Basic Of the same acidity More acidic ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is Less than 80.1°C 80.1°C Greater than 80.1°C but less than 100°C 100°C Less than 80.1°C 80.1°C Greater than 80.1°C but less than 100°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An ideal gas can be liquified, because Its critical temperature is more than 0°C It gets solidified directly without becoming liquid Its molecular size is very small Forces operative between its molecules are negligible Its critical temperature is more than 0°C It gets solidified directly without becoming liquid Its molecular size is very small Forces operative between its molecules are negligible 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
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