Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 80 78.51 79.62 80.38 80 78.51 79.62 80.38 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Mass number of an atom is the sum of the numbers of Neutrons and electrons Protons and electrons Both A & B Neutrons and protons Neutrons and electrons Protons and electrons Both A & B Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies 0.5 < Xw < 1.0 Xw = 1.0 0 < Xw < 0.5 Xw = 0.5 0.5 < Xw < 1.0 Xw = 1.0 0 < Xw < 0.5 Xw = 0.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following gases is the most soluble in water? CO₂ NH₃ CH₄ H₂S CO₂ NH₃ CH₄ H₂S ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is insensitive to changes in pressure? Melting point Heat of vaporisation Both B & C Heat of fusion Melting point Heat of vaporisation Both B & C Heat of fusion ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A 'limiting reactant' is the one, which decides the __________ in the chemical reacation. Conversion Equilibrium constant None of these Rate constant Conversion Equilibrium constant None of these Rate constant ANSWER DOWNLOAD EXAMIANS APP
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