Question

1 st law and second law of thermodynamics an thermal equilibrium

Answer 1

⭐When two systems are each in thermal equilibrium with a third system, thefirst two systems are in thermal equilibrium with each other.

✨This property makes it meaningful to use thermometers as the “third system” and to define a temperature scale. Thefirst law of thermodynamics, or thelaw of conservation of energy.



⭐First law of thermodynamics – Energy can neither be created nor destroyed. It can only change forms.
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⭐The second law of thermodynamics states that the entropy of any isolated system always increases.

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Answer 2

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The first law, also known as Law of Conservation of Energy, states that energy cannot be created or destroyed in an isolated system. The second law of thermodynamics states that the entropy of any isolated system always increases.

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