Zola848 Zola848

27-08-2014
Chemistry

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Explain what it means to state that energy is transferred in order for any change of state to occur. Give at least two examples.

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mashenka mashenka

27-08-2014

It means that energy content of one system increased, while the energy content of second system decreased. The total energy (sum of energies in a CLOSED system) is constant. Examples of energy transfer are heat, work and mass transfer.

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