Stoichiometry The atomic heat capacities of all solid elements __________ with decrease in temperature. Decreases Increases Remains unchanged Approach zero at 0°C Decreases Increases Remains unchanged Approach zero at 0°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Atoms of the same element, but of different masses are called None of these Isotones Isobars Isotopes None of these Isotones Isobars Isotopes 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 Greater than 80.1°C but less than 100°C 100°C 80.1°C Less than 80.1°C Greater than 80.1°C but less than 100°C 100°C 80.1°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 80 kg of Na₂SO₄ (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na₂SO₄ .10H₂O crystals separate out. The weight fraction of Na₂SO₄ in the remaining solution is 0.18 0.24 1 0.18 0.24 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A saturated vapor on being compressed would Form wet steam Both A & B Neither A nor B Condense Form wet steam Both A & B Neither A nor B Condense ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 140 345 485 350 140 345 485 350 ANSWER DOWNLOAD EXAMIANS APP
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