30251. The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is
30252. Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases.
30253. Entropy is a/an
30254. In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured by
30255. At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be
30256. 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is
30257. Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are
30258. Which of the following is not correct for a reversible adiabatic process ?
30259. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 - T2)/T1. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by
30260. Throttling (Joule-Thomson effect) process is a constant __________ process.
30261. Boiling of liquid is accompanied with increase in the
30262. Change of state namely evaportation condensation, freezing and melting is an __________ process.
30263. Which of the following is not an equation of state?
30264. A gas shows deviation from ideal behaviour at
30265. The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is
30266. The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for
30267. With increase in temperature, the internal energy of a substance
30268. It is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions.
30269. For a constant pressure reversible process, the enthalpy change (ΔH) of the system is
30270. The work done in isothermal compression compared to that in adiabatic compression will be
30271. Pick out the Claussius-Clayperon equation from the following:
30272. For organic compounds, group contribution method can be used for the estimation of
30273. Specific __________ does not change during phase change at constant temperature and pressure.
30274. When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is
30275. Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of
30276. What happens in a reversible adiabatic compression ?
30277. Sublimation temperature of dry ice (solid CO2) is __________ °C.
30278. If atmospheric temperature and dew point are nearly equal, then the relative humidity is
30279. The internal energy of an incompressible fluid depends upon its
30280. Entropy change in case of reversible adiabatic process is
30281. In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is
30282. For multicomponent multiple phases to be in equilibrium at the same pressure and temperature, the __________ of each component must be same in all phases.
30283. The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be
30284. Mollier chart is a __________ plot.
30285. Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation.
30286. Pick out the undesirable property for a good refrigerant.
30287. Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a
30288. The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by
30289. Melting of ice is an example of an __________ process.
30290. A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres.
30291. Rotary lime kiln is an example of a/an __________ system.
30292. Heat of reaction is
30293. The expression, , is for the____of an ideal gas.
30294. What happens in a reversible adiabatic expansion process ?
30295. Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be
30296. On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)s and the slope of the reversible isothermal line (∂P/∂V)T are related as (where, y = Cp/Cv)
30297. Gibbs-Helmholtz equation is
30298. Sales minus cost of goods sold is
30299. Fugacity co-efficient of a substance is the ratio of its fugacity to
30300. Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam.
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
Powered By:Omega Web Solutions