Chemistry
- Created by: Itumeleng
- Created on: 14-05-16 23:25
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- Chemistry
- Change
- Physical
- No new substance is produced
- It is reversible
- Changes in state and shape
- Chemical
- New substance is formed
- Mixture warms up
- Colour changes
- Bubbles given off
- Mixtures cools down
- Original substance disappears
- Physical
- Matter
- Mixture
- Combination of substance
- Substance returns back to normal
- Separated physically
- Heterogeneous
- It is very easy to distinguish between the different substances in the mixture
- Homogenous
- It looks like one substance when there is more than one. It is often referred to as a solution
- Compound
- Bonding of elements
- Separated chemical
- A new element is formed and can't necessarily go back to normal
- Mixture
- Types of reactions
- Synthesis
- Building up reaction
- Decomposition
- Breaking down reaction
- Single displacement
- Replace one part of the compound
- Double displacement
- Replace two parts of the compound, Swap.
- Combustion
- A hydrocarbon(fuel) that reacts with oxygen gas. Burning.
- Synthesis
- Exothermic
- Reaction where energy is given of and temperature rises.
- Endothermic
- Reaction wher energy is taken in and temperature drops.
- Change
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