Guide Questions:
1. What happened to the sugar and water particles in the solution? What do you think their particle arrangement looks like in the solution?
2. How will you explain your observations in terms of the idea that particles of matter have spaces between them?
Answer (2)
When sugar is added to water, it dissolves, forming a solution. Here's a step-by-step explanation of what happens to the particles:
Dissolving Process : Sugar particles are made up of molecules. When sugar is mixed with water, the water molecules, which are constantly moving, start to interact with the sugar molecules. The water molecules pull the sugar molecules away from the solid sugar crystal structure, causing them to dissolve in the water.
Particle Arrangement : Once dissolved, the sugar molecules are evenly distributed among the water molecules. This means that in the solution, sugar and water molecules are mixed together but not chemically bonded. The sugar molecules fit into the spaces between the water molecules.
Spaces Between Particles : According to the particle theory of matter, all matter is made of tiny particles that have spaces between them. In the case of a sugar-water solution, water and sugar particles both take up space. The water has spaces between its molecules that allow sugar molecules to disperse evenly throughout.
This explanation shows how particles move and arrange themselves when substances like sugar dissolve in a solvent like water, illustrating the concept that particles of matter have spaces between them and that these spaces allow for mixing at a molecular level.
When sugar dissolves in water, its molecules separate and disperse evenly throughout the liquid. This happens because water molecules interact with sugar molecules and pull them into the spaces between them. The explanation of particle theory highlights that there are spaces between particles, which allows for mixing of different substances.
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