Liquids

Question 1

Liquids and solids are referred to as “condensed phases” because the attractive forces

Revolt · Accepted Answer

leave little space between the molecules.

Question 2

Glycerol boils at a higher temperature than water. What does this indicate about the attractive forces of glycerol?

Revolt · Accepted Answer

They are stronger than those in water.

Question 3

Which molecules would most likely cause a liquid to have the lowest viscosity?

Revolt · Accepted Answer

small, nonpolar molecules

Question 4

Which type of substance is water able to dissolve?

Revolt · Accepted Answer

ionic and polar

Question 5

What happens when a solid is dissolved into a liquid?

Revolt · Accepted Answer

Solid particles become evenly dispersed among liquid particles.

Question 6

Carla makes a small cardboard boat and floats it in a tub of water. When she adds a drop of dish soap behind the boat, the boat moves forward.Which statement best explains what happened?

Revolt · Accepted Answer

The soap reduced the surface tension behind the boat, causing both water molecules and the boat to be pulled forward.

Question 7

Which process most likely takes place when the kinetic energy of molecules overcomes the intermolecular forces?

Revolt · Accepted Answer

boiling

Question 8

Why are liquids well suited for hydraulics?

Revolt · Accepted Answer

Liquids are incompressible.

Question 9

Melting can be best described as a process in which molecules

Revolt · Accepted Answer

gain enough kinetic energy to get past each other.

Question 10

Which postulate of the kinetic-molecular theory applies to the particles of a liquid?

Revolt · Accepted Answer

They have enough kinetic energy to easily slide by each other.

Liquids Answers

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