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Geosciences LibreTexts

9: Chemical Oceanography

  • Page ID
    • 9.1: In Your Room
      Matter is any substance that has mass and takes up space; this includes atoms and anything made up of these, but not other energy phenomena or waves such as light or sound. While this simple definition is easily applied, the way people view matter is often broken down into two characteristic length scales: the macroscopic and the microscopic.
    • 9.2: What is Matter?
      Matter is anything that has mass and volume (takes up space). For most common objects that we deal with every day, it is fairly simple to demonstrate that they have mass and take up space. You might be able to imagine, however, the difficulty for people several hundred years ago to demonstrate that air has mass and volume. Air (and all other gases) are invisible to the eye, have very small masses compared to equal amounts of solids and liquids, and are quite easy to compress (change volume).
    • 9.3: Classifying Matter According to Its State—Solid, Liquid, and Gas
      Three states of matter exist - solid, liquid, and gas. Solids have a definite shape and volume. Liquids have a definite volume, but take the shape of the container. Gases have no definite shape or volume
    • 9.4: Cutting Aluminum until you get Atoms
      Take some aluminum foil. Cut it in half. Now you have two smaller pieces of aluminum foil. Cut one of the pieces in half again. Cut one of those smaller pieces in half again. Continue cutting, making smaller and smaller pieces of aluminum foil.
    • 9.5: The Structure of Atoms
      Atoms are composed of three main subatomic particles: protons, neutrons, and electrons. Protons and neutrons are grouped together in the nucleus of an atom, while electrons orbit about the nucleus.
    • 9.6: Unique properties of water
    • 9.7: Properties of Water
    • 9.8: Salinity Patterns
    • 9.9: Oxygen
    • 9.10: Carbon Dioxide and pH
    • 9.11: Nitrogen and Nutrients