x

x + 1

x + 2

x + 3

**The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction…****Which of the following equations is used for the prediction of activity co-efficient from experiments?****Sublimation temperature of dry ice (solid CO2) is __________ °C.****What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid…****Pick out the wrong statement.****Refrigerants commonly used for domestic refrigerators are****Specific volume of an ideal gas is****Entropy, which is a measure of the disorder of a system, is:****What is the value of ln y (where y = activity co-efficient) for ideal gases?****Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.****Fugacity and pressure are numerically not equal for the gases****During a reversible isothermal expansion of an ideal gas, the entropy change is****In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1…****A gas mixture of three components is brought in contact with a dispersion of an organic phase in water.…****In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured…****The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for****The standard state of a gas (at a given temperature) is the state in which fugacity is equal to****Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as****Lenz's law results from the law of conservation of****Equation which relates pressure, volume and temperature of a gas is called the****What is the degree of freedom for two miscible (non-reacting) substances in vapor-liquid equilibrium…****When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and…****Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?****The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is****Maximum work that could be secured by expanding the gas over a given pressure range is the __________…****Entropy of a substance remains constant during a/an __________ change.****In a working refrigerator, the value of COP is always****Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the****An irreversible process****The total change in the enthalpy of a system is independent of the**