1.)describe the motion of the particles of matter when it starts to smell.
2.) in terms of arrangement of molecules. explain how water vapor turned into a water
3.) what can we do to make ice melt quickly.
4.) explain the steps that a solid must go through become a gas.
5.) explain why solid has regular pattern in the arrangement of its particles.
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2.) in terms of arrangement of molecules. explain how water vapor turned into a water
3.) what can we do to make ice melt quickly.
4.) explain the steps that a solid must go through become a gas.
5.) explain why solid has regular pattern in the arrangement of its particles.
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Answer:
1. Particles in all states of matter are in constant motion and this is very rapid at room temperature. Diffusion in gases When chemical substances such as perfume are let loose in a room, their particles mix with the particles of air. The particles of smelly gas are free to move quickly in all directions. They eventually spread through the whole room from an area of high concentration to an area of low concentration.
2. Condensation is the process by which water vapor in the air is changed into liquid water. The phase change that accompanies water as it moves between its vapor, liquid, and solid form is exhibited in the arrangement of water molecules. Water molecules in the vapor form are arranged more randomly than in liquid water.
3. Directly placing heat on ice cubes will melt them almost instantly.
4. Solid to gas phase transitions are known as "sublimation." In most cases, solids turn into gases only after an intermediate liquid state. Sublimation is the phase transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.
5. Because solids have a fixed shape as their particles are arranged in a regular, fixed arrangement and they have strong forces holding them together, so the shape of the solid remains fixed.