Diagrama de fases

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Phase Achievement Test Questions (Doymus, K. (2007))
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Solid–Liquid (Module I)
Q1. At 30 atmospheres pressure, the melting point of this substance is:
A) 200 °C B) –15 °C C) 0 °C D) –105 °CE) 50 °C
Q2. A phase change from Phase C to Phase B is known as:
A) Condensation B) Vaporization C) Freezing D) Deposition E) Melting
Q3. Freezing (solidification) occurs by:
A) Absorption ofenergy B) Release of energy
Q4. A phase change from Phase B to Phase C is known as:
A) Vaporization B) Deposition C) Sublimation D) Melting E) Freezing

Solid–Gas (Module II)
Q5. If the temperatureof the substance is held constant at –15 °C, the phase change that would occur with a pressure increase from 1 atmosphere to 30 atmospheres is:
A) Vaporization B) Freezing C) Melting D) Deposition E)Condensation
Q6. A phase change from Phase C to Phase A is known as:
A) Sublimation B) Melting C) Freezing D) Condensation E) Vaporization
Q7. A phase change from Phase A to Phase C is known as:A) Deposition B) Melting C) Vaporization D) Freezing E) Sublimation
Q8. Sublimation occurs by:
A) Absorption of energy B) Release of energy

Liquid–Gas (Module III)
Q9. A phase change fromPhase B to Phase A is known as:
A) Vaporization B) Freezing C) Melting D) Deposition E) Sublimation
Q10. At 30 atmospheres pressure, the boiling point of this substance is:
A) –15 °C B) 50 °C C) 200 °CD) –105 °C E) 0 °C
Q11. Condensation occurs by:
A) Absorption of energy B) Release of energy
Q12. A phase change from Phase A to Phase B is known as:
A) Vaporization B) Condensation C) MeltingD) Freezing E) Deposition

Triple Point (Module IV)
Q13. The area of the graph that represents the gas phase is: A) C B) B C) A
Q14. The area of the graph that represents the solid phase is: A) BB) C C) A
Q15. The area of the graph that represents the liquid phase is: A) B B) C C) A
Q16. The triple point of this substance occurs at:
A) –15 °C and 6 atmospheres B) 0 °C and 6 atmospheres...
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