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scale that isn?¦t based on one substance (H2O) but rather that applies to the movement of particles in all matter.
Matter - has mass and takes up space (volume)
3 states of matter ?V Solid, liquid, and gas
Solid ?V defined shape and volume
Liquid ?V variable shape and defined volume
Gas ?V variable shape and volume
Properties ?V the distinguishing characteristics of a substance
Physical properties ?V observed without changing the identity of the matter
(ex...
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Size, shape, color odor, melting point, freezing point, density)
Chemical properties ?V ?§reactivity??
to determine these properties must change the identity of the matter
Changes
Physical ?V changes only physical properties (ex. changes of state)
Chemical ?V creates a new substance (changes the identity of the substance)
Matter classified by composition
Pure substances -- constant composition
chemically combined
components do not have their individual properties anymore
can be separated only by chemical means
Mixtures -- variable composition
Physically combined
Components keep their individual properties
Can be separated by physical means
Two types of mixtures
1...
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Basic accounting concepts
The ISAB argues that the accruals and going concern concepts are key underlying assumption in the preparation of financial statements. Discuss the problems for companies in applying these accounting concepts and explain why other concepts might al...
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