Draw a sketch showing the effect of heat on the interparticle spacing and physical States of matter
Answers
Anything that occupies space is called matter, and matter exists in three physical states, namely, solid, liquid, and gas.
The effect of heat on interparticle spacing and state of matter can be summarized as follows:
Solid - Interparticle spacing increases and the solid changes into liquid.
Liquid - Interparticle spacing increases and the liquid gets converted into gas.
Gas - Interparticle spacing increases but no change of phase is observed as gas is the final state of matter.
• Interparticle spacing means the distance between the particles (atoms, molecules, or ions) in a solid, liquid, or gaseous matter.
• Application of heat causes significant changes in the inerparticle spacing and state of matter.
• Effect of heat on solids:
In a solid, the particles are packed quite tighly and they vibrate in their respective positions.
On applying heat, the kinetic energy of the particles gradually increases due to which they start vibrating more vigorously. This causes the particles to leave their respective positions and the interparticle spacing between them increases. Thus, the particles can now move freely about the substance and the solid gets converted into liquid.
• In case of liquids, the particles are already in a state of motion due to greater interparticle spaces between them. On application of heat, the kinetic energy of the particles further increases and they start hitting the walls of the container. This leads to an increase in the spaces between the particles, and the liquid gets converted into gas.
• On application of heat to a gas, the interparticle spacing, which is already very large, further increases due to an increase in the kinetic energy of the particles, and the particles collide among themselves and hit the walls of the container more frequently.
Answer:
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