Phase Changes Energies MCQs Quiz Online PDF Download eBook

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"The quantity of liquid, Molar heat of vaporization needs is" Multiple Choice Questions (MCQ) on phase changes energies with choices 1 mole, 5 mole, 8 mole, and 10 mole for schools that offer online degrees. Practice merit scholarships assessment test, online learning phase changes energies quiz questions for competitive exams in chemistry majors for SAT practice test.

MCQs on Phase Changes Energies PDF Download eBook

MCQ: The quantity of liquid, Molar heat of vaporization needs is

  1. 1 mole
  2. 5 mole
  3. 8 mole
  4. 10 mole


MCQ: Energy change is called enthalpy change when it occurs at

  1. varied pressure
  2. constant volume
  3. varied volume
  4. constant pressure


MCQ: Phase changes are usually

  1. endothermic
  2. exothermic
  3. ectothermic
  4. none of above


MCQ: Enthalpy changes are usually

  1. negative
  2. neutral
  3. positive
  4. without change


MCQ: When we measure molar heat of vaporization pressure taken is

  1. 5 atmosphere
  2. 3 atm
  3. 1 atm
  4. 9 atm