ABC26PH0424 · The triple point for water is · 2005-2021
ABC26PH0425 · Change in chemical potential (in kJ/mol) for the equilibrium H2 O (liquid) =H2 O (gas) at 298 K is · 2005-2021
ABC26PH0426 · The phases at 55 mole percent B and 108 K are, · 2005-2021
ABC26PH0427 · What happens if a small amount of solid B is added to the above mixture while keeping the temperature constant? · 2005-2021
ABC26PH0428 · The mixture at 25 mole percent B and at 124 K is cooled slowly to 114 K . The resulting phases are · 2005-2021
ABC26PH0429 · 40 millimoles of NaOH are added to 100 mL of a 1.2 M HA and Y M NaA buffer resulting in a solution of pH 5.30. Assuming that the volume of… · 2005-2021
ABC26PH0430 · The number of degrees of freedom for a system consisting of NaCl(s), Na+(aq) and Cl-(aq) at equilibrium is · 2005-2021
ABC26PH0431 · For a one component system, the maximum number of phases that can coexist at equilibrium is · 2005-2021
ABC26PH0432 · The number of degrees of freedom of a system consisting of solid sucrose in equilibrium with an aqueous solution of sucrose is · 2005-2021
ABC26PH0433 · Among the following, the equilibrium which is NOT affected by an increase in pressure is · 2005-2021
ABC26PH0434 · Two liquids B and C form an ideal solution. In the figure below, the vapour pressure P of this solution is shown as a function of the mole… · 2005-2021
ABC26PH0435 · Sulfur can exist in four phases. The possible number of triple points is · 2005-2021
ABC26PH0436 · For the pair of reactions given below (i) N2(g)+3 H2(g) 2 NH3(g) (ii) 1/2 N2(g)+3/2 H2(g) NH3(g) If at a particular temperature, KP 1 and… · 2005-2021
ABC26PH0437 · On On the pressure-temperature diagram for a one-component system, the point where the solid-liquid and the liquid-gas curves intersect is: · 2005-2021
ABC26PH0439 · The enthalpy of fusion of ice at 273 K is 6.01 kJ mol-1 and the enthalpy of vaporization of water at 273 K is 44.83 kJ mol-1. The enthalpy… · 2005-2021
ABC26PH0440 · The temperature-composition (T-x) phase diagram of the two-component system made of X and Y is given below. At a temperature of 288 K and… · 2005-2021
ABC26PH0441 · m1 and m2 are the slopes (dP/dT) of the solid - liquid equilibrium lines in the P-T phase diagrams of H2 O and CO2, respectively. For P<10… · 2005-2021
ABC26PH0442 · The enthalpy of vaporization of a liquid at its boiling point (Tb=200 K ) is 15.3 kJ mol-1. If the molar volumes of the liquid and the… · 2005-2021self-practice
ABC26PH0443 · Consider the following phase diagram of CO2 (not to scale). At equilibrium, the INCORRECT statement is: · 2005-2021
ABC26PH0444 · The equilibrium constant for the reaction (a) NO(g) N2O(g)+NO2(g) at 25°C is closest to: [ Delta Go=-104.18\,kJ; R=8.314\,J\,mol-1\,K-1 ] · 2005-2021
ABC26PH0445 · The reaction CO(g)+Cl2(g) COCl2(g) at 500°C, with initial pressures of 0.7 bar of CO and 1.0 bar of Cl2, is allowed to reach equilibrium… · 2005-2021self-practice
ABC26PH0446 · The phase diagram of CO2 is shown below: The correct statement(s) about CO2 is/are: · 2005-2021self-practice