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A 0.10-cm3 sample of a solution containing a radioactive nuclide (5x10^3 counts per minute per milliliter) is injected into a rat. Several minutes later 1.0 cm3 of blood is removed. The blood shows 48 counts per minute of radioactivity. Calculate the volume of blood in the rat. What assumptions must be made in performing this calculation?
Under these conditions, name one crystalline defect that you would expect to form in order to maintain charge neutrality. How many Cu+ ions are required for the creation of each defect? How would you express the chemical formula for this nonstoichiom..
question 1a outline the provisions of occupational safety and health act 2005 with regard to substances hazardous to
question 1the effect of a hazardous substance depends on the concentration of the substance that is present in the
A 25.00-mL sample of hydrochloric acid solution requires 24.16 mL of 0.106 M sodium hydroxide for complete neutralization. What is the concentration of the original hydrochloric acid solution?
If a double-effect evaporator system is used with forward feed and U = 450 Btu/h-ft2-°F and 112 = 350 Btu/h-ft2-°F, and a vapor- space pressure of 4 in. Hg in the second effect determine the heat- transfer area of each effect, assuming equal areas..
Design the manufacture of (tones/day) Ferrous sulphate monohydrate from waste pickle liquor. Pickling is generally associated with the removal of scale with mineral acid. Sulphuric acid is the most commonly used pickling acid.
This is the first part of a three-part assignment: an individual assignment to research existing or emerging IT related technology and its ethical impact.
question 1a handling operations for solidpowder substances are often a source of dust generation and are a source of
A process to produce 1000 kgmol/h acetaldehyde, ethane is fed to the reactor at 1500 kgmol/h and the fractional conversion is 0.8. The product stream contains 2 mol% CO2. Calculate the molar composition of the product stream and the fractional select..
A 100-liter fed-batch fermenter was successfully operated for 200 h using an aeration rate of 14 l/s and a 5 W agitator. It is proposed to scale the fermentation up to 10,000 liters. What agitator power consumption is required?
Design a column for this separation. The column will operate at essentially atmospheric pressure. Use a reflux ratio 1.5 times the minimum.
Chlorine has two isotopes 35Cl and 37 Cl, for the anion Cl- , of the isotope 37 Cl, specify the number of protons np ,number of electrons ne and numbers of neutrons nn
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