Which of the following systems would be considered to be at equilibrium:

Question

I. an open flask with 2.0 mL of perfume
II. a closed flask with 10 mL of water
III. an open flask with 10 mL of water
IV. a closed flask with an ice cube and 10 mL of water

a. I d.
b. I and II
c.II and IV
d. II
e. III

Answer 1

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