IPC Chapter 2 vocab
Terms
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- Chemistry
- The study of matter and how it changes
- Matter
- Anything that has mass and occupies space
- elements
- a substance that cannot be broken down into simpler substances
- atom
- the smallest particle that has the properties of an element
- compound
- a substance made of atoms of more than one element bound together
- molecule
- the smallest unit of substance that exhibis all of the properties characteristics of that substance
- chemcial formula
- the chemical symbols and numbers indicating the atoms containing in the basic unit of a substance
- pure substance
- any matter that has a fixed composition and definite properties
- mixture
- a combination of more than one pure substance
- miscible
- two or more liquids that are able to dissolve into eachother in various proportions
- Immiscible
- describes two or more liquids that do not mix into eachother
- pressure
- the force exerted per unit area of a surface
- Viscosity
- the resistance of a fluid to flow
- Energy
- the ability to change or move matter
- evaporation
- the change of a substance from a liquid to a gas
- condensation
- the change of a substance from a gas to a liquid
- sublimation
- the change of a substance from a solid to a gas
- chemical property
- the way a substance reacts with others to form a new substance with different properties
- physical property
- a characteristic of a substance that can be observed or measured without changing the composition of a substance
- melting point
- the temp. at which a solid becomes a liquid
- boiling point
- the temp at which a liquid becomes a gas below the suface
- buoyancy
- the force iwth which a more dense fluid pushes a less dense substance upward
- chemical change
- a change that occurs when a substance changes compisition by forming one or more new substances
- physical change
- a chane in the physical form or properties of a substance that occurs without a change in composition
- density
- the mass per unit volume of a substance