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[Física calorimetria questão de equilíbrio térmico]
Colocam-se 200g de água a 80ºC num recipiente a 20ºC. Verifica-se que a temperatura de equilíbrio é de equilíbrio é 70 ºC.Admitindo-se que só haja trocas de calor entre a água e o recipiente, pode-se admitir que a capacidade térmica do recipiente, em cal/ºC,é:
Dados: calor específicos da água = 1 cal/(g . ºC)
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