Stoichiometry During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change. Internal energy Gibbs free energy Entropy Enthalpy Internal energy Gibbs free energy Entropy Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent? Temperature Nature of solute Pressure Nature of solvent Temperature Nature of solute Pressure Nature of solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is an exothermic reaction? Conversion of graphite to diamond Dehydrogenation of ethane to ethylene None of these Decomposition of water Conversion of graphite to diamond Dehydrogenation of ethane to ethylene None of these Decomposition of water ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Average molecular weight of air is about 79 23 29 21 79 23 29 21 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Othmer chart is useful in estimating the heat of Mixing Wetting Adsorption None of these Mixing Wetting Adsorption None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vessel of volume 1000 m³ contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately 25 34 20 17 25 34 20 17 ANSWER DOWNLOAD EXAMIANS APP
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