Zusammenfassung der Ressource
Chemical and Physical reactions
- Physical Reactions
- The molecular structure stays the same
- It is reversable
- There is no new substance made
- The mass stays the same
- Same amount of particles
- Same on a microscopic level
- Examples of physical reactions
- Water freezing
- Condensation
- Evaporation
- Mixing salt into water
- Chemical Reactions
- Non-reversible
- The molecular structure is altered
- The apearance and and structure of the result is different from the substances you began with
- Word equations
- Examples
- Bread being toasted
- Phtosynthesis
- Frying an egg
- Rusting
- Burning items