Stoichiometry Compressibility factor of a real gas is the ratio of the actual volume to that predicted by ideal gas law. As the pressure of the gas approaches zero, the compressibility factor approaches 1 ∞ 0.24 1 ∞ 0.24 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Roult's law is obeyed by a __________ solution. Saturated Normal None of these Molar Saturated Normal None of these Molar 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) 350 485 345 140 350 485 345 140 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The combustion equations of carbon and carbon monoxide are as follows: C + O₂ = CO₂, ΔH = - 394 kJ/kg . mole CO + 1/2 O₂ = CO₂, ΔH = - 284.5 kJ/kg. mole. The heat of formation of CO is __________ kJ/kg. mole. +180 -109.5 +100 +109.5 +180 -109.5 +100 +109.5 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 100°C Greater than 80.1°C but less than 100°C Less than 80.1°C 80.1°C 100°C Greater than 80.1°C but less than 100°C Less than 80.1°C 80.1°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a colligative property? None of these Osmotic pressure Lowering of vapor pressure Depression of freezing point None of these Osmotic pressure Lowering of vapor pressure Depression of freezing point ANSWER DOWNLOAD EXAMIANS APP
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