What happens to the kinetic energy of particles as a substance changes from soli

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Question: What happens to the kinetic energy of particles as a substance changes from solid to liquid?

Options:

Correct Answer: It increases

Solution:

The kinetic energy of particles increases as they gain energy to overcome intermolecular forces during melting.

What happens to the kinetic energy of particles as a substance changes from solid to liquid?

What happens to the kinetic energy of particles as a substance changes from solid to liquid?

Correct Answer: Kinetic energy increases.

Step 1: Understand that all substances are made of tiny particles that are always moving.
Step 2: Know that in a solid, particles are closely packed together and vibrate in place.
Step 3: When a solid heats up, it gains energy, which makes the particles move faster.
Step 4: As the particles move faster, their kinetic energy increases.
Step 5: Eventually, the particles gain enough energy to overcome the forces holding them together.
Step 6: This process of changing from solid to liquid is called melting.

Kinetic Energy – The energy that particles possess due to their motion, which increases as temperature rises.
Phase Change – The transition of a substance from one state of matter to another, such as solid to liquid, involving energy changes.
Intermolecular Forces – The forces that hold particles together in a substance, which must be overcome for a phase change to occur.