Day: August 24, 2013

Newton’s laws


Definition 1: Newton’s first law of motion An object continues in a state of rest or uniform motion (motion with a constant velocity) unless it is acted on by an unbalanced (net or resultant) force. Definition 2: Newton’s second law of motion If a resultant force…

PERCENTAGE COMPOSITION


Knowing either the empirical or molecular formula of a compound, can help to determine its composition in more detail. The opposite is also true. Knowing the composition of a substance can help you to determine its formula. There are four different types of composition problems that…

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