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Calculating energy for change of state — OCR GCSE Physics A J249
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OCR GCSE Physics A
Matter
Changes of state
Calculating energy for change of state
OCR GCSE Physics A · J249
Calculating energy for change of state
What you need to know
Apply the relationship between specific latent heat and mass to calculate the energy change involved in a change of state.
Measure the specific latent heat of vaporisation of water or stearic acid.
E
=
m
L
E = m L
E
=
m
L
Revision notes
1
Calculating energy for change of state
3 key terms
Practise with past papers
Key terms & definitions
Previous subtopic
Calculating thermal energy changes
Next topic: Pressure
Particle motion and pressure