ICS_301_08_2_sol - CH108IntensiveChemistrySeminarFall2008

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CH108- Intensive Chemistry Seminar – Fall 2008 worksheet #2 solutions 1. State the law of conservation of mass, law of definite proportions and law of multiple proportions in your own words. Conservation of mass: Equal quantities of matter exist before and after a chemical reaction (matter can not be destroyed) Definite proportions: Regardless of the source or origin of preparation a given chemical compound has fixed proportions by mass of the elements that compose it. Multiple proportions: When two elements form a series of compounds the masses of one element that combine with a fixed mass of the other element are in the ratio of integers 2. What was Avogadro’s hypothesis? Does Dalton’s ‘rule of greatest simplicity’ agree with Avogadro’s hypothesis? Explain why or why not. Equal volumes of different gases have equal number of particles. Dalton’s rule of greatest simplicity states that if two elements form only a single compound then they will take the simplest form. Thus, water would be HO and not H
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ICS_301_08_2_sol - CH108IntensiveChemistrySeminarFall2008

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