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Exam (elaborations)

PHYSICS 3.3 FIRST LAW OF THERMODYNAMICS EXAM QUESTIONS WITH COMPLETE SOLUTIONS

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PHYSICS 3.3 FIRST LAW OF THERMODYNAMICS EXAM QUESTIONS WITH COMPLETE SOLUTIONS

Institution
Thermodynamic And Heat Transfer
Course
Thermodynamic and Heat Transfer








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Institution
Thermodynamic and Heat Transfer
Course
Thermodynamic and Heat Transfer

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Uploaded on
February 12, 2025
Number of pages
3
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

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PHYSICS 3.3 FIRST LAW OF
THERMODYNAMICS EXAM QUESTIONS
WITH COMPLETE SOLUTIONS
Heat Transfer Equation - ANSWER-q = mcΔT

q=heat
m=mass
c=specific heat of the substance
delta T= change in temp

Phase change occurs at..... - ANSWER-a constant temperature

Condensation - ANSWER-Gas to liquid

Evaporation - ANSWER-Liquid to gas

Fusion/Melting - ANSWER-solid to liquid

Sublimation - ANSWER-solid to gas

Freezing/Solidifying - ANSWER-liquid to solid

Deposition - ANSWER-gas to solid

Heat of transformation equation - ANSWER-Q = mL

m=mass
L=latent heat of a substance/heat of transformation

Melting Point - ANSWER-the temperature at which a substance changes from a solid to
a liquid

Boiling Point - ANSWER-the temperature at which a substance changes from a liquid to
a gas

Heat of Fusion - ANSWER-the energy a substance must absorb in order to change from
a solid to a liquid

Heat of Vaporization - ANSWER-the energy a substance must absorb in order to
change from a liquid to a gas

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