When the Molecules of One Substance Are Spread
__H__ When the molecules of one substance are spread evenly throughout another substance to become balanced __G_ A vacuole membrane fuses becomes a part of the cell membrane and the contents are released. This means that one substance with a certain set of properties such as melting point color taste etc is turned into a different substance with different properties. Concentration Gradient The Definitive Guide Biology Dictionary Notes occurs in diffusion. . In a solid the atoms are very attracted to one another. When molecules of a substance are evenly spread they are at a atate of equilibriumThat would be the definition of the word Equilibrium. Learn more in this Key Stage 3 Chemistry guide from BBC Bitesize. In a gas however the molecules are moving fast over 1000 miles per hour moving in all directions and dont stay together so they spread out and fill the available volume. Chemical changes are frequently harder to reve...
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