1.9: Equações-chave

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$densidade = \frac{massa}{volume}$

$T_{°C} = \frac{5}{9} \times (T_{°F} - 32)$

$T_{°F} = (\frac{9}{5} \times T_{°C}) + 32$

$T_{K} = °C + 273,15$

$T_{°C} = K - 273,15$