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Chemistry 15 Online
OpenStudy (anonymous):

What scientist observed that compounds are always joined together in fixed ratios?

OpenStudy (jfraser):

John Dalton, in roughly 1805

OpenStudy (anonymous):

Thank you very very much.

OpenStudy (anonymous):

can u answer this please can anyone answer this question please.in the following compounds; sodium chloride,hexane, ethanol, hydrochloric acids, sodium hydroxide, detergents and ammonium nitratesyou need talk about all of there-melting/boiling point-solubility in waterwith references to ionic or covalent-hydrophilic or hydrophobic-intramolecular forcesi dont think any one would be able to do iti challenge you guys to do it

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