Atenção! Esta questão foi postada ha mais de 30 dias!
Exercício de Calorimetria! responda urgenteeee!
Exercício:
Dispõe-se de água a 80°
C e gelo a 0°C. Deseja-se obter 100 gramas de água a uma temperatura de 400C (após o equilíbrio), misturando água e gelo em um recipiente isolante e com capacidade térmica desprezível. Sabe-se que o calor específico latente de fusão do gelo é 80cal/g e o calor específico sensível da água é 1,0cal/go
C. A massa de gelo a ser utilizada é:
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