Energy Movement and Storage, Phase Diagrams and Changes

In which phase do particles have the greatest energy?

• Solid

• Liquid

• Gas

• Boiling

In which phase do vibrate back and forth without really moving around the container?

• Solid

• Liquid

• Gas

• Boiling

What phase(s) are present where the arrow points on the graph?

• Solid

• Liquid

• Gas

• Liquid and Solid

• Gas and Liquid

What is the melting point of the material shown on the graph?

• 200 K

• 273 K

• 373 K

• 400 K

Which heating curve best represents a cup of hot coffee cooling to room temperature as it sits on a table?

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Which heating curve best represents a cube of ice melting as it warms to room temperature from - 8 Celsius?

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Which of the following is NOT one of the three principles guiding our modern view of energy?

• Energy can be stored in a physical system.

• Energy can move from one system to another.

• Energy maintains its identity after being transferred.

• Energy is used up when it creates a change.

Based on the diagram below, what phase will carbon dioxide be at - 80 Celsius and 10 atm?

• Solid

• Liquid

• Gas

• Supercritical Fluid

In which energy account is energy stored in the motion of the particles?

• Thermal Energy

• Phase Energy

• Potential Energy

• Chemical Energy

In which energy account is energy stored in the arrangement of the particles?

• Thermal Energy

• Phase Energy

• Potential Energy

• Chemical Energy