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Topic: Miscellaneous
Number of pages / Number of words: 4 / 1004
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So, he could not say anything about the numbers of each atom in the molecules of specific substances. Did water have one oxygen with one hydrogen or one oxygen with two hydrogens? This point was resolved when chemists figured out how to weigh atoms.

The ability to weigh atoms came about by an observation from an Italian chemist named Amadeo Avogadro...


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Avogadro was working with gases (nitrogen, hydrogen, oxygen, chlorine) and noticed that when temperature and pressure was the same, these gases combined in definite volume ratios. For example:

  • One liter of nitrogen combined with three liters of hydrogen to form ammonia (NH3)
  • One liter of hydrogen combined with one liter of chlorine to make hydrogen chloride (HCl)

Avogadro said that at the same temperature and pressure, equal volumes of the gases had the same number of molecules...


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How are hazardous substances dangerous, how to deal with them and the dangers they can cause. Abuse of Substances in the United States Addictive Substances and Their Forms Atoms How Various Mechanisms By Which Substances Cross The Cell Me About the atom Carohydrates in Everyday Substances Detection Of Biological Molecules Enzyme Reaction of Different Yeast Substances Molecules The Atom Viruses: Complex Molecules Or Simple Life Forms? What kind of molecules can and cannot pass easily across a lipid bilayer? Summarize and discuss the tensions apparent in contemporary cultural and communications policy debates. Include a case study analysis of a specific policy statement, which names and discusses the specific rhetorical frameworks informing the author... Organic Molecules Challenge

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