What happens when you put chocolate in a gas tank

Asked by admin @ in Chemistry viewed by 276 People

Describe what happens to the particles in a chocolate bar as it melts.

a. As the chocolate bar changes from a solid to a liquid a chemical change happens.
b. As the chocolate bar changes from a solid to a liquid the particles slow down.
c. As the chocolate bar changes from a solid to a liquid, the particles move the same speed but they take on the shape of their container
d. As the chocolate bar changes from a solid to a liquid the particles move around more.

Answered by admin @


Answer:

The correct answer is d. As the chocolate bar changes from a solid to a liquid the particles move around more.

Explanation:

When a chocolate bar melts, it suffers a physical change: a change of state from solid to liquid. In the liquid state, the particles move around more, because they have more kinetic energy (more velocity) and more freedom to move than in solid state. Thus, as the solid became into a liquid, the particles move more.


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