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Unit A definitons

shauna's definitions

hydraulic system system that uses liquid under pressure to move loads
hazard symbol warning symbol on hazardous materials
WHMIS workplace hazardous materials information system
fluid any matter that has no fixed shape, can flow, and takes the shape of its container
pneumatic systems system that uses gas under pressure to move loads
pure substances substance that is only made up of one type of matter
mixture combination of two or more different pure substances
mechanical mixture mixture in which the different particles are easy to see
heterogenous mixture mixture in which the different substances are easy to see
solution homogeneous mixture; mixture of two or more pure substances that look like one substance
homogeneous mixture mixture in which the different substances can not be seen; looks like one substance
suspension cloudy mixture in which peices of one substance are held within another; over time the peices will seperate out
colloid cloudy mixture in which the peices of a substane are too small to seperate out
solute substance that dissolves in a solvent to form a solution
solvent a substance that dissolves a solute to form a solution
concentration the amount of solute dissolved in a specific amount of solvent in a solution
unsaturated solution solution in which more solute can be dissolved at a given amount
saturated solution solution in which no more solute can be dissolved in a given volume of solvent at a given temperature
solubilty the ability to dissolve
saturation point the point at which no more solute can dissolve in the solvent
aqueous solution solution which the solvent is water
particle model of matter model that explains the behaviour of solids, liquids, and gases