Chemical Engineering :: Chemical Engineering Thermodynamics
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If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will
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All gases above its inversion temperature, in a throttling process will show
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First law of thermodynamics is mathematically stated as
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Pick out the wrong statement.
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Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas )
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Equation which relates pressure, volume and temperature of a gas is called the
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Claussius-Clayperon equation gives accurate result, when the
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The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called __________ temperature.
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The expression for entropy change, ΔS = n Cp . ln (T2/T1), is valid for the __________ of a substance.
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For a single component two phase mixture, the number of independent variable properties are
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A.
Surface tension of a substance vanishes at critical point, as there is no distinction between liquid and vapour phases at its critical point.
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B.
Entropy of a system decreases with the evolution of heat.
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C.
Change of internal energy is negative for exothermic reactions.
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D.
The accentric factor for all materials is always more than one.
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