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**With increase in temperature, the internal energy of a substance****It is desired to bring about a certain change in the state of a system by performing work on the system…****An isentropic process is carried out at constant****Requisites of a reversible process is that the****Joule-Thomson co-efficient is defined as****For an exothermic reaction****Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the…****Pick out the correct statement:****Which of the following decreases with increase in pressure?****In case of the decomposition of hydroiodic acid (2HI H2 + I2), addition of H2 (at equilibrium condition)…****The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…****A refrigerator works on the principle of __________ law of thermodynamics.****(∂T/∂P)H is the mathematical expression for****Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.****The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial…****Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg…****Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature…****Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system…****The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns…****The gas law (PV = RT) is true for an __________ change.****High pressure steam is expanded adiabatically and reversibly through a well insulated turbine, which…****Claude's liquefaction process employs the cooling of gases by****As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine…****Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water)…****At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.****Degrees of freedom at triple point will be****In the reaction, H2 +I2 2HI, addition of an inert gas will****At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy…****Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid…****Heating of water under atmospheric pressure is an __________ process.**