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Phase Changes Energies MCQ with Answers PDF

Solve Phase Changes Energies Multiple Choice Questions (MCQ), college chemistry quiz answers PDF with career tests for online courses. Practice liquids and solids Multiple Choice Questions and Answers (MCQs), Phase Changes Energies quiz questions bank for schools that offer online degrees. "Phase Changes Energies MCQ" PDF book: crystal lattice, properties of crystalline solids, boiling points, boiling point and external pressure test prep for ACT practice test.

"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 phase changes energies quiz questions for merit scholarship test and certificate programs for SAT practice test.

MCQs on Phase Changes Energies

1.

The quantity of liquid, Molar heat of vaporization needs is

1 mole
5 mole
8 mole
10 mole

2.

Energy change is called enthalpy change when it occurs at

varied pressure
constant volume
varied volume
constant pressure

3.

Phase changes are usually

endothermic
exothermic
ectothermic
none of above

4.

Enthalpy changes are usually

negative
neutral
positive
without change

5.

When we measure molar heat of vaporization pressure taken is

5 atmosphere
3 atm
1 atm
9 atm