Stoichiometry 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is (C₂H₄)2H₂.OH C₄H9OH C₃H21OH C2H33OH (C₂H₄)2H₂.OH C₄H9OH C₃H21OH C2H33OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Increases linearly Increases Remains unchanged Decreases Increases linearly Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface. This statement pertaining to the solubility of gases in liquid is the __________ law. Raoult's Amgat's None of these Henry's Raoult's Amgat's None of these Henry's ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a temperature of 0°K, the molecules of a gas have only __________ energy. None of these Vibrational Translational Rotational None of these Vibrational Translational Rotational ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Vapor pressure of a solution is proportional to(where, Sv and St are mole fraction of solvent and solute respectively). Sv 1/St 1/Sv St Sv 1/St 1/Sv St ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole. 46 92 -92 -23 46 92 -92 -23 ANSWER DOWNLOAD EXAMIANS APP
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