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Show how each of the following strong electrolytes "breaks up" into its component ions upon dissolving in water by drawing molecular-level pictures.
a. NaBr f. FeSO4
b. MgCl2 g. KMnO4
c. Al(NO3)3 h. HClO4
d. (NH4)2SO4 i. NH4C2H3O2 (ammonium acetate)
e. NaOH
Now explain why strong electrolytes 'completely' dissociate when mixed in an aqueous solution.
Calculate the instantaneous and rms values of the voltage induced in a 150-turn coil on the armature, if the axial length of the armature and its inner diameter are both 100 mm.
What is the principle of lime Soda process? Give their functions with chemical reactions. 2. Write notes on reverse osmosis and ultra filtration.
Let the property P;.. in Eq 5.2-1 be the scalar 1 so that the integral in that equation represents the instantaneous volume V. Show that in this case
A charge variation with time is given in Figure P1.1.8. Draw the corresponding current variation with time.
A strip of metallic scandium, Sc, is placed in a beaker containing concentrated nitric acid. A brown gas rapidly forms, the scandium disappears, and the resulting liquid is brown-yellow but becomes colorless when warmed. These observations best su..
Under what circumstances and for what kinds of disabilities would the CLI be superior to or be preferred over the GUI?
Formulate arguments for and against the idea that risk assesment can and should be separated from risk management. Discuss land as a natural resource and how and why it is or should be regulated by environmental laws.
Find the charge flowing, and the number of electrons per second that are passing some point in the wire.
Determine the efficiency when the transformer delivers a load of 2 kVA at 0.85 power factor lagging.
A 0.1025-g sample of copper metal is dissolved in 35 mL of concentrated HNO3 to form Cu2 ions and then water is added to make a total volume of 200.0 mL. (Calculate the molarity of Cu2.)
Determine the synchronous speed in revolutions per minute and the useful torque in new ton meters of a 200-hp, 60-Hz, six-pole synchronous motor operating at its rated full load (1 hp ≅ 746 W).
At 50 °C, 1.2 bar, the system n-pentane (1), n-hexane (2), and n-heptane (3) exists ion vapor-liquid equilibrium. The mole fractions in the two phases are: x1 = 0.6, x2 = 0.2, x3 = 0.2 in the liquid; and y1 = 0.87, y2 = 0.1, y3 = 0.03 ..
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