Stoichiometry For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction). Negligibly Exponentially Linearly Inversely Negligibly Exponentially Linearly Inversely ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about 0.33 0.19 0.40 0.67 0.33 0.19 0.40 0.67 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately 0.07 0.09 0.13 0.11 0.07 0.09 0.13 0.11 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a neutral solution 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 Both H⁺ and OH⁻ ions are present in very small but equal concentration OH⁻ ions are absent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction) Δ H >ΔH Δ H >ΔH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Recycling in a chemical process facilitates Increased yield Heat conservation All of these Enrichment of product Increased yield Heat conservation All of these Enrichment of product ANSWER DOWNLOAD EXAMIANS APP