What are the steps involved in modeling the effects of acids or bases in the natural environment?
What will be an ideal response?
Step 1: Define the system boundaries.
Step 2: Identify all the chemical species of interest.
Step 3: Write the constraining chemical equations for the system, including equilibrium equations, the electroneutrality equation and mass balance equations.
Step 4: Make any simplifying assumptions that are possible.
Step 5: Algebraically solve the remaining independent equations and check the assumptions made to aid in solving the equations.
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Thomas Jefferson argued that the emergence of a large landless class of white citizens could be avoided in part by
A. a redistribution of land. B. a reduced property tax. C. abolishing the property qualification to vote. D. continuing slavery. E. restricting the amount of property owned by each citizen.
NEMA designates individual coil winding leads with the numbers 1 to ____.
a. 4 b. 8 c. 12 d. 16
Soil contains four components. Which of the following is not one of soil's components?
A) inorganic material B) organic matter C) muck D) air
Why is an incremental analysis necessary when conÂducting a rate of return analysis for cost alternatives?
What will be an ideal response?