Stoichiometry The heat of vaporisation __________ with increase in pressure. Becomes zero at critical pressure Increases Both B and C Decreases Becomes zero at critical pressure Increases Both B and C Decreases 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 Xw = 0.5 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 1.0 Xw = 0.5 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 1.0 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The unit of specific heat at constant pressure, Cp, in SI unit is W/m°K W/m²°C J/m³°K J/kg°K W/m°K W/m²°C J/m³°K J/kg°K ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An equation for calculating vapour pressure is given by, log10 P = A - B(t + c). Trouton's rule Kistyakowsky equation Antonic equation Kopp's rule Trouton's rule Kistyakowsky equation Antonic equation Kopp's rule ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following expressions defines the Baume gravity scale for liquids lighter than water? °Be = 200(G-1) °Be = (140/G) - 130 °Be = (400/G) - 400 °Be = 145 - (145/G) °Be = 200(G-1) °Be = (140/G) - 130 °Be = (400/G) - 400 °Be = 145 - (145/G) 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) 485 350 140 345 485 350 140 345 ANSWER DOWNLOAD EXAMIANS APP
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