AnswersFL-2003350-Chemistry 1 HonorsLiquids

Liquids Answers

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1
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Melting can be best described as a process in which molecules

A
lose kinetic energy and move slowly.
B
lose kinetic energy and remain stationary.
C
gain kinetic energy and escape into the atmosphere.
D
gain enough kinetic energy to get past each other.
2
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What happens when a solid is dissolved into a liquid?

A
Solid particles float toward the surface layer of liquid particles.
B
Solid particles sink down toward the bottom layer of liquid particles.
C
Solid particles become evenly dispersed among liquid particles.
D
Solid particles become suspended in the middle of liquid particles.
3

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?

A
The soap increased the viscosity of the water behind the boat, allowing the water in front of the boat to flow more easily.
B
The soap reduced the surface tension behind the boat, causing both water molecules and the boat to be pulled forward.
C
The soap increased the kinetic energy of the water molecules behind the boat, causing both the molecules and the boat to move forward.
D
The soap formed an immiscible layer on the water, causing the soap to spread out and push the boat forward.

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