There is a change in __________ during the phase transition.

A Volume
B Pressure
C Temperature
D All of the above

Correct Answer: Volume

The phase change occurs at constant temperature and pressure under normal situations. But the volume changes because between two phases always there is a change in intermolecular forces except at critical condition.
Eg: when liquid is converting to vapor the vapor formed will have more volume than liquid.
Bissoy MCQ
#Chemical Engineering #Chemical Engineering Thermodynamics

Related Questions

The Renaissance made a transition from the middle ages to the modern times. In the sentence above' transition' means----
A progress
B transition
C development
D regress
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A ease
B ease-in
C ease-in-out
D none of the mentioned
Which of the following transition-timing-function property specifies a transition effect with a slow start, then fast, then end slowly
A ease
B ease-in
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Which of the following property defines when the transition will start and it allows a transition to begin execution some some period of time from when it is applied?
A transform-delay
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Specific __________ does not change during a phase change (e.g. sublimation, melting, vaporisation etc.).
A Entropy
B Internal energy
C Enthalpy
D Gibbs free energy
During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change.
A Enthalpy
B Gibbs free energy
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D Entropy
Specific __________ does not change during phase change at constant temperature and pressure.
A Entropy
B Gibbs energy
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Duringthe phase transition, __________ changes.
A Pressure
B Volume
C Temperature
D All of the above
Identify which one is a first order phase transition?
A A liquid to gas transition at its critical temperature
B A liquid to gas transition close to its triple point
C A paramagnetic to ferromagnetic transition in the absence of a magnetic field
D A metal to superconductor transition in the absence of a magnetic field
দুটি সুসঙ্গত উৎস থেকে λ দৈর্ঘ্যের দুটি তরঙ্গ সমদশায় বের হয় । একটি বিন্দুতে যেখানে তরঙ্গ দুটি মিলিত হয় সেখানে তাদের দশা পার্থক্য 90° । তরঙ্গ দুটির অতিক্রান্ত পথ পার্থক্য তখন কত ? ( Two coherent sources emit waves of wavelength λ which are in phase. which are in phase. The two waves meet at a point where they have a phase difference of 90°. Which of the following could be the traversed path difference between the waves?)
A 2λ
B λ
C λ/2
D λ/4

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