W6 - SOLVVENTS AND SOLUTES

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5 Terms

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Water

  • solvent

  • vital to life

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ions

  • type of solute

  • acids and bases

  • salts

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20 elements in the body

  • carbon (C), nitrogen (N), hydrogen (H), oxygen (O)

  • sodium (Na), calcium (Ca), magnesium (Mg), iron (Fe)

    • atoms are the smallest component and are electrically neutral

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Ions (charged)

  • atoms are electrically neutral

  • cation = (+)

  • anions = (-)

  • many cation and anions are water soluble

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what crosses plasma membrane

water:

  • dissolves solutes

  • chemical reactions

  • equilibrium (water moves back and forth)

ions

  • equilibrium

  • muscle contraction

  • membrane potential and action potential

  • acid-base balance (pH)

Glucose for energy and more

processes are passive or active

<p><strong>water:</strong></p><ul><li><p>dissolves solutes</p></li><li><p>chemical reactions</p></li><li><p>equilibrium (water moves back and forth)</p></li></ul><p></p><p><strong>ions</strong></p><ul><li><p>equilibrium</p></li><li><p>muscle contraction</p></li><li><p>membrane potential and action potential</p></li><li><p>acid-base balance (pH)</p></li></ul><p></p><p>Glucose for energy and more</p><p>processes are passive or active</p><p></p>

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