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Sci. 8- Mix & Flow of Matter: Sect. 2.3 & 2.4

Posljednje ažuriranje about 2 months ago

5

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4

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Pitanje 1

1.

Why is water called “the universal solvent”? (pg. 29)

Pitanje 2

2.

What factors affect the solubility of a solute? Explain them. (pg. 29)

Pitanje 3

3.

What is 'Thermal Pollution'? What effect does it have on the environment. (pg. 31)

Pitanje 4

4.

Make a particle sketch showing how instant coffee dissolves in hot water. (solute & solvent) DO NOT FORGET TO LABEL.

Pitanje 5

5.

You’ve been asked to try out a new type of fruit drink flavoring that comes in the form of a cube that dissolves in water. You’re in a hurry to try it so you want to dissolve it as quickly as possible. Name three ways of speeding up dissolving. Explain each one using the particle model of matter.