Stoichiometry The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen. Same as Higher than Not related to Lower than Same as Higher than Not related to Lower than ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The effect of pressure on the heat capacity of the gases __________ is negligible. Neither A nor B Below the critical temperature At pressure below one atmosphere Both A & B Neither A nor B Below the critical temperature At pressure below one atmosphere Both A & B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be Neutral More acidic Of the same acidity Basic Neutral More acidic Of the same acidity Basic 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) 345 350 140 485 345 350 140 485 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change. Gibbs free energy Enthalpy Entropy Internal energy Gibbs free energy Enthalpy Entropy Internal energy 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
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