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10 Cards in this Set

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Properties of solid
At a given temperature, has a definite shape which maybe affected by temperature. Usually increases in size (expansion) when heated and decreases in size (contraction) when cooled
Properties of liquid
At a given temperature, has a fixed volume and will take the shape of the container into which it is poured.
Properties of gas
At a given temperature, has neither a definite shape nor volume. It will take up the shape of the container into which it is placed and will spread out evenly
Differences between solids, liquids and gases.
liquids and gases are relatively compressible unlike solids. Meaning that their volumes can be changed with the application of pressure.Gas is more compressible than liquid.
Structure of solids
Particles vibrate in a fixed position. It has a regular structure
Structure of liquids
Particles have some freedom and can move around each other. Particle often collide
Structure of gases
Particles move freely and at random in all the space available. Collide less often than in liquids.
What is diffusion
The spreading out of a gas. For example leaving perfume bottles open. it is caused by the movement of random particles
What affects the rate of reaction?
The rate of reaction is affected by the molecular mas of the particles. The greater the molecular mass, the faster the rate of diffusion
Example of different rates of reaction
Ammonia and hydrochloric gas. Ammonia being a gas with higher molecular gas, diffuses more than the hydrochloric gas.