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 85 170 15 30 85 170 15 30 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 3 gms of carbon 4 gm atoms of hydrogen 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 3 gms of carbon 4 gm atoms of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of Complete wetting Wetting Mixing Adsorption Complete wetting Wetting Mixing Adsorption 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 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 Number of intermediate chemical reactions involved Temperature & pressure State of aggregation & the state of combination at the beginning & the end of the reaction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a neutral solution Both H⁺ and OH⁻ ions are present in very small but equal concentration OH⁻ ions are absent None of these H⁺ ions are absent Both H⁺ and OH⁻ ions are present in very small but equal concentration OH⁻ ions are absent None of these H⁺ ions are absent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Heat conservation Product enrichment Yield enhancement None of these Heat conservation Product enrichment Yield enhancement None of these ANSWER DOWNLOAD EXAMIANS APP
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