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. 80.38 80 79.62 78.51 80.38 80 79.62 78.51 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of H⁺ in 1 c.c solution of pH 13 is 6.023 x 10¹⁰ 10¹³ 6.023 xl0¹³ 6.023xl0⁷ 6.023 x 10¹⁰ 10¹³ 6.023 xl0¹³ 6.023xl0⁷ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are PvB and Pvw respectively. The partial pressure of benzene in air-vapour mixture is PvB XB.Patm XB.PvB (Patm - Pvw)xB PvB XB.Patm XB.PvB (Patm - Pvw)xB ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a colligative property? Lowering of vapor pressure Depression of freezing point None of these Osmotic pressure Lowering of vapor pressure Depression of freezing point None of these Osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The rate of material __________ is zero in case of a steady state system. Input Generation Accumulation Production Input Generation Accumulation Production ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of 1000 100 3 None of these 1000 100 3 None of these ANSWER DOWNLOAD EXAMIANS APP
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