A sealed beaker of what you are told is aqueous nickel sulfide was given to you by the local chemist and you put it on the window sill. after a few days, you notice that the mixture is getting thick toward the bottom. what is the nature of the initial nickel sulfide mixture, assuming that the temperature on the sill remained approximately constant?

Question

Chemistry

Donovan Walter

16 July, 09:02

A sealed beaker of what you are told is aqueous nickel sulfide was given to you by the local chemist and you put it on the window sill. after a few days, you notice that the mixture is getting thick toward the bottom. what is the nature of the initial nickel sulfide mixture, assuming that the temperature on the sill remained approximately constant?

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Ryan Dennis · Answer 1

Answer is: the nature of the initial nickel sulfide mixture is a suspension.

Suspension is a heterogeneous mixture (solute particles do not dissolve), that contains solid particles (in this example nickel sulfide or NiS) sufficiently large for sedimentation. The internal phase (solid nickel sulfide) is dispersed throughout the external phase (water).