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Phase Changes Energies MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Energy change is called enthalpy change when it occurs at; "Phase Changes Energies" App Download (Free) with answers: Varied pressure; Constant volume; Varied volume; Constant pressure; to learn online training courses. Practice Phase Changes Energies Quiz Questions, download Google eBook (Free Sample) for best online ACT prep class.
Phase Changes Energies MCQs PDF: Questions Answers Download
The quantity of liquid, Molar heat of vaporization needs is
- 1 mole
- 5 mole
- 8 mole
- 10 mole
Energy change is called enthalpy change when it occurs at
- varied pressure
- constant volume
- varied volume
- constant pressure
Phase changes are usually
- endothermic
- exothermic
- ectothermic
- none of above
Enthalpy changes are usually
- negative
- neutral
- positive
- without change
When we measure molar heat of vaporization pressure taken is
- 5 atmosphere
- 3 atm
- 1 atm
- 9 atm
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