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Indicate whether the following statements are true or false. Explain. The specific enthalpy of an ideal gas...

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Mechanical Engineering

Indicate whether the following statements are true orfalse. Explain.

  1. The specific enthalpy of an ideal gas is a function oftemperature and pressure.
  2. Air cannot be regarded as a pure substance.
  3. Liquid alternatively referred to as compressed liquid becauseits pressure is less than atmospheric pressure.
  4. The pressure and temperature are not dependently variable for asystem contains a two-phase liquid–vapor mixture atequilibrium.

Answer & Explanation Solved by verified expert
4.3 Ratings (604 Votes)
1 The specific enthalpy of an ideal gas is a function of temperature and pressure False The specific enthalpy of an idea gas is a function of temperature only As we know that idea gas follows the equation PV nRT that means product of pressure and volumework is a function of temperature only since R and n are constants We also know that internal energy is a function of temperature ie ut Now enthalpy h u Pv This proves that enthalpy of    See Answer
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