Liquids

Question 1

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

Revolt · Accepted Answer

boiling

Question 2

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 3

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

Revolt · Accepted Answer

leave little space between the molecules.

Question 4

Which type of substance is water able to dissolve?

Revolt · Accepted Answer

ionic and polar

Question 5

What is produced on the top of a pool of water by the mutual attraction between water molecules?

Revolt · Accepted Answer

surface tension

Question 6

Which term best describes the substances that cause oil and water molecules in salad dressing to interact and mix?

Revolt · Accepted Answer

surfactants

Question 7

Which term best describes liquid behavior under pressure?

Revolt · Accepted Answer

incompressible

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

The particles in water have less mobility than the particles in oxygen. Which statement best explains this observation?

Revolt · Accepted Answer

Water particles have strong intermolecular forces.

Liquids Answers

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