Zay31599 Zay31599

16-10-2015
Chemistry

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what is the total number of joules released when a 5.00 gram sample of water changes from liquid to solid at 0°C ?

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EjerciciosFyQ EjerciciosFyQ

16-10-2015

The heat associated with a change of physical state of a system is: [tex]Q = m\cdot l[/tex] (being "l" the latent heat of state change).

[tex]Q = 5\ g\cdot 334\frac{J}{g} = \bf 1,67\cdot 10^{3}\ J[/tex]

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