- Be able to predict the
thermodynamic favorability of a chemical reaction.
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- Distinguish between: (a)
elementary and overall reactions; (b) homogeneous and heterogeneous
reactions.
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- Be familiar with the elemental
composition of soils relative to the Earth’s crust.
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- Use Pauling’s Rules to predict
ion coordination.
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- Calculate % ionic character in a
bond.
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- Be able to calculate various
parameters related to phyllosilicate clay minerals (net negative
charge, CEC, molecular weight, and clay activity) and predict the
mineralogy in the sample.
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- Understand the relationship of
clay mineralogy to potassium (K+) fixation and CEC.
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- Know different surface area
methods, diagnostic x-ray diffraction peaks, and relate to clay mineral
structure.
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- Know the purpose for each
reagent used in the soil fractionation procedure.
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- Differentiate between soil
organic matter (SOM) pools and be prepared to draw representative
structures.
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- Discuss major functional groups
in SOM that contribute to the observed CEC as a function of pH.
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- Be able to perform pH
calculations for weak acids/bases and strong acids/bases (of the
monoprotic type).
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- Given equilibrium expressions
for diprotic organic acids, derive equations necessary to plot the
concentrations of each species and make interpretations.
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- Be prepared for basic analytical
calculations employed in the lab.
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