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Physics, 14.07.2021 01:00 komari0217

8. O gráfico abaixo é a curva de aquecimento de 10g de uma substância. Analise as
seguintes afirmações:
40(°C)
120+
80-
100
300
0
--20
500
800 900
Q(cal)
-50
I.
II.
A substância em questão é a água.
O ponto de ebulição desta substância é
80° C
o calor latente de fusão desta
substância é 20cal/g.
III.
Das afirmações acima,
(A) Todas estão corretas.
(B) Todas estão erradas.
(C) Somente le ll estão corretas.
(D) Somente ll e lll estão corretas.
(E) Somente I está correta.

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Answers: 2

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8. O gráfico abaixo é a curva de aquecimento de 10g de uma substância. Analise as
seguintes a...
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