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ESM 122 Environmental Chemistry I

ND1 levelMedical & Health Sciences18 topics

ESM 122 covers 18 topics. StudyPath paces them into daily study sessions that finish before your exam date, with practice questions and worked answers for each one.

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Course outline

The topics this course covers, in teaching order.

  1. Sources and uses of fresh water
  2. Groundwater occurrence and locations
  3. Redox reactions and stoichiometric calculations
  4. Oxidizing conditions in natural waters
  5. BOD, COD and dissolved oxygen in water quality
  6. Environmental reactions of carbon, sulfur, nitrogen and metals
  7. Equilibrium calculations with Ksp and Ka
  8. Carbonate speciation and distribution diagrams
  9. pH of natural waters
  10. Salt solubility, alkalinity and hardness of natural water
  11. Regions of the atmosphere
  12. Stratospheric ozone and the ozone hole
  13. Ultraviolet spectrum energy ranges
  14. Biological effects of UV radiation
  15. Photochemistry of oxygen in the atmosphere
  16. Fresh water and ground water
  17. Water quality parameters: BOD, COD, DO, pH and PE
  18. Redox titration

A sample from this course

One topic, as StudyPath teaches it.

Sources and uses of fresh water

Fresh water originates from surface bodies (rivers, lakes, wetlands) and underground aquifers, and it is essential for drinking, sanitation, agriculture, industry, and ecosystem maintenance. Mastering the classification of sources, the processes that renew them, and the major human uses is key to answering exam questions on water resource management and environmental impact.

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