(a)[3]
a piece of solid lead while it melts at constant temperature.
(b)[3]
some gas in a toy balloon as the balloon bursts and no thermal energy is transferred into or out of the gas.
Physics 9702 · AS & A Level · The first law of thermodynamics
The first law of thermodynamics — practice question
Using the first law of thermodynamics, state and explain any change in the internal energy of:
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