Which one of these is a plausible equation of state?
A. ?V=?V (RT-b)+?V(a+b)
B. P=?V/RT
C. ?V=?V (RT-b)+?V^2 (a+b)
D. Z=PV/T
E. None of these are plausible
A. Incorrect. The molar volume cancels out of all terms and pressure is unrepresented.
B. Incorrect. This looks like the ideal gas law, but the units do not work out.
C. Incorrect. This “EOS” does not have pressure in it. An EOS must contain P, V, and T.
D. Incorrect. The gas constant is missing from this statement of the ideal gas law.
E. Correct. All of these have at least one fatal flaw.
?
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The drainage of certain wetlands has resulted in extreme soil acidity. This is due primarily to which of the following processes that take place when the soil is drained?
A) reduction of iron to low valent states that stimulate acidity B) oxidation of organic materials to produce organic acids C) release of nitric acid due to oxidation of nitrogen compounds D) high redox potential characteristic of aerated soils E) oxidation of sulfur-bearing minerals that produces sulfuric acid
Technician A says that a symptom chart lists symptoms and possible causes. Technician B says that troubleshooting flowcharts should be followed closely, step by step. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
What must a contractor show in order to invoke the defense of commercial impracticability?
What will be an ideal response?
Which term best describes fish?
a. ectothermic c. heliothermic b. endothermic d. normothermic