Equation which relates pressure, volume and temperature of a gas is called the
Equation of state
Gibbs Duhem equation
Ideal gas equation
None of these
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- Fundamental principle of refrigeration is based on the __________ law of thermodynamics.
- What is the ratio of adiabatic compressibility to isothermal compressibility?
- The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns…
- During Joule-Thomson expansion of gases
- When liquid and vapour phases of one component system are in equilibrium (at a given temperature and…
- The kinetic energy of gas molecule is zero at
- A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially…
- Pick out the wrong statement.
- For a constant volume process __________ by the system is used only to increase the internal energy.
- A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________…
- What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at…
- Pick out the wrong statement.
- Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming…
- First law of thermodynamics deals with the
- Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole.…
- Free energy change of mixing two liquid substances is a function of the
- __________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very…
- Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would…
- The equilibrium constant for a chemical reaction at two different temperatures is given by
- Which of the following equations is used for the prediction of activity co-efficient from experiments?
- Fugacity and pressure are numerically not equal for the gases
- Gibbs free energy of mixing at constant pressure and temperature is always
- At the critical point of a substance
- Variation of equilibrium pressure with temperature for any two phases of a given substances is given…
- An ideal liquid refrigerant should
- For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion…
- Which of the following is a widely used refrigerant in vapour compression refrigeration system (using…
- The thermodynamic law, PVy = constant, is not applicable in case of
- Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.
- The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.