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As carbon dioxide (CO2) changes from its solid state to gaseous state, what happens to the energy and motion of the particles?


The particles gain energy and move faster


The particles lose energy and move faster


The particles lose energy and move slower


The particles gain energy and move slower

8.

When a substance undergoes a change of state, which of the following does not change:


The mass of the substance


The energy of the particles


The distance between the particles


The movement of the particles

Verified Answer :

Edufirst

1) As carbon dioxide changes from solid state to gaseous state, the particles gain energy and move faster.

The molecule of CO2 gain energy which results in greater separation of each other and freer and faster movement

2) When a substance undergoes a change of state its mass does not change

bellycake757

Answer:

1) As carbon dioxide changes from solid state to gaseous state, the particles gain energy and move faster.


The molecule of CO2 gain energy which results in greater separation of each other and freer and faster movement


2) When a substance undergoes a change of state its mass does not change

Explanation:

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