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Identify a specific problem you wish to solve through the design and development of a new system. For your system:
(a) Describe the current deficiency and identify the need for the new system.
(b) Perform an abbreviated feasibility analysis and discuss the various alternative technical approaches you may wish to consider in designing the new system.
(c) Define the basic operational requirements for the new system.
(d) Define the maintenance concept for the new system.
(e) Identify the critical technical performance measures (TPMs), based on the defined operational requirements and maintenance concept. Describe the process leading from the identification of TPMs to the identification of specific design characteristics.
Determine the concentration of SO42- necessary to precipitate BaSO4 and SrSO4. Which compound, BaSO4 and SrSO4, precipitates first. What is the SO42- concentration when the second ion begins to precipitate
Use the oxidation-number method to balance the following net ionic redox equation.
an aqueous solution of a nonelectrolyte boils at 100.32c. what is its expected freezing
The free fatty acids in a 1.00 mL sample of oil is titrated. If 3.05 mL of NaOH titrant solution are required for complete reaction, how many moles of free fatty acids must have been present in the 1.00 mL oil sample
The temperature of the cosmic background radiation is measured to be 2.7 K. What is the wavelength of the peak in the spectral distribution at this temperature
Explain why ionic compounds are formed when a metal from the left side of the periodic table reacts with a nonmetal from the right side. Give two examples of such compounds.
The [OH-] of a solution can be determined from the pOH using the equation: [OH-] = 10 ^ -pOH where [OH-] = hydroxide ion concentration. If [OH-] = 6.0*10^-3 M then pOH=?
The Ka values for nitrous acid HNO_2 and hypochlorous HClO) acid are 4.5 10^{-4} and 3.0 10^{-8}, respectively. Which one would be more suitable for use in a solution buffered at pH = 7.0?
Draw the molecule by placing atoms on the grid and connecting them with bonds. You do not need to show hydrogen atoms connected to carbon atoms.
Write balanced equations to show whether any of the following compounds have differing solubility with a change in pH.
Name an element in the fourth period of the periodic table with a total of 4 4p electrons. Name an element in the fourth period of the periodic table with a total of 3 3d electrons Name an element in the fourth period of the periodic table with a ..
Calculate the degrees of unsaturation in a compound with the molecular formula C3H6 and draw two possible structures, including hydrogen atoms, for the formula.
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