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Home Questions & Answers Science Chemical Engineering Question Answers In a closed system, there is 

    In a closed system, there is 

  • No exchange of energy of the system
  • Exchange of mass with the surroundings
  • Exchange of mass and energy with the surroundings
  • Exchange of energy with the surroundings and not the mass.

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Enthalpy H is defined as

..................is an prerequisite when the waste is subjected to secondary anaerobic treatment.

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