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Exam (elaborations)

Inorganic and Organic Chemistry Full exam solutions ensuring top performance

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  • Inorganic and Organic Chemistry
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  • Inorganic And Organic Chemistry

water - ANSWER--an inorganic molecule -60-80% of the volume of living cells -chemical nature gives it 6 important properties water is the universal solvent - ANSWER-water is polar- and allows small reactive compounds and ions to dissociate evenly (blood plasma, water in the lungs, bodily secre...

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  • October 19, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Inorganic and Organic Chemistry
  • Inorganic and Organic Chemistry
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Inorganic and Organic Chemistry Full
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water - ANSWER--an inorganic molecule

-60-80% of the volume of living cells

-chemical nature gives it 6 important properties



water is the universal solvent - ANSWER-water is polar- and allows small reactive
compounds and ions to dissociate evenly (blood plasma, water in the lungs, bodily
secretions and excretions)

-hydrophilic

-hydrophobic



hydrophilic - ANSWER-substances that dissolve in water



hydrophobic - ANSWER-substances that repel water



adhesion - ANSWER-tendency of one substance to cling to another



serous fluid - ANSWER-creates lubrication



cohesion - ANSWER-tendency of molecules of the same substances to cling to each
other

-forms surface tension



chemical reactivity - ANSWER-water can ionize acids and salts, and can dissociate into
H+ and OH-

, hydrolysis - ANSWER-dissociate of a water molecule breaks a chemical bond in
another molecule



dehydration synthesis - ANSWER-formation of a water molecule forms the bond
between two other molecules



high heat capacity - ANSWER-the amount of heat required to raise the temperature of 1
gram of a substance by 1 Celsius



high heat of vaporization - ANSWER-large amounts of heat are required to evaporate
water



pH units - ANSWER-the relative concentration of H+ ions (expressed as moles/ liters)



pH - ANSWER-the direct measure of the number of free-floating hydrogen ions present
in the body fluids



what is the normal pH range of blood? - ANSWER-7.35-7.45



How does the body maintain a normal pH? - ANSWER-acids and bases can react to
form water and salt

-the body produces buffers



buffers - ANSWER-resist abrupt and large swings in the pH of body fluids

-renal and the respiratory systems are crucial for buffering pH swings in the blood



organic compounds - ANSWER-compounds containing Carbon

-usually large

-carbon is electronneutral so it always forms covalent bonds



functional groups - ANSWER-reactive parts

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