Stoichiometry Number of gram equivalent of solute dissolved in one litre of solution is called its Molarity Molality Formality Normally Molarity Molality Formality Normally ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the Number of intermediate chemical reactions involved Temperature & pressure State of aggregation & the state of combination at the beginning & the end of the reaction None of these Number of intermediate chemical reactions involved Temperature & pressure State of aggregation & the state of combination at the beginning & the end of the reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The crystallisation of a solute from a solution may be done by Removal of pure solvent by evaporation Changing the nature of the system by the addition of a more soluble material Change of temperature thereby causing supersaturation All of these Removal of pure solvent by evaporation Changing the nature of the system by the addition of a more soluble material Change of temperature thereby causing supersaturation All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. -2448.45 +816.15 -1632.3 +1632.3 -2448.45 +816.15 -1632.3 +1632.3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At standard conditions, N₂ + 2O₂ ⇋ 2NO₂; ΔG° = 100 kJ/moleNO + ½O₂ ⇋ 2NO₂; ΔG° = -35 kJ/moleThe standard free energy of formation of NO in kJ/mole is 15 170 85 30 15 170 85 30 ANSWER DOWNLOAD EXAMIANS APP
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