Stoichiometry Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is 32.2 45.35 20 58.65 32.2 45.35 20 58.65 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1m³ is approximately equal to 35 ft³ 4.5 litres 4.5 ft³ 28 litres 35 ft³ 4.5 litres 4.5 ft³ 28 litres ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Equal masses of CH₄ and H₂ are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is 1/9 5/9 8/9 1/2 1/9 5/9 8/9 1/2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The amount of water vapour condensed (in kg) is 0.065 1 0.1 0.065 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Remains unchanged Increases Decreases Increases linearly Remains unchanged Increases Decreases Increases linearly 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. 566 293 141.5 283 566 293 141.5 283 ANSWER DOWNLOAD EXAMIANS APP