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A steel contains 18% cementite and 82% ferrite at room temperature. Estimate the carbon content of the steel. Is the steel hypoeutectoid or hypereutectoid?
the final step in the mechanism for the base promoted hydrolysis (saponification) of an ester is a deprotonation of a carboxylic acid by sodium hydroxide to give a carboxylate salt (RCO2Na)
If 15.0 mL of glacial acetic acid (pure HC2H3O2) is diluted to 1.70 L with water, what is the pH of the resulting solution? The density of glacial acetic acid is 1.05 g/mL
Write out the balanced overall equation for the redox reaction that could occur between these species. An electric current would have to have what minimum potential to force the reaction forward?
ethene (C2H4) and H2 form ethane (C2H6). If 159 kJ is given off per mole of C2H4 reacting, how much heat is released when 14.9 kg of C2H6 forms
A foul-smelling gas produced by the reaction of with was collected, and a 1.00 sample was found to have a mass of 1.52 at STP. What would be the formula.
Calculate the concentration of H2SO4 if 25.00 mL of the acid is titrated with 41.70 mL of 3.000 M KOH to produce K2SO4 and water
Solid Carbon dioxide goes directly from a solid to a gaseous state at -78 C cacualte the amount of heat required for sublimation of 30.5g of dry ice
A mixture of an amine, RNH2, and other items in CH2Cl2 was extracted with 10% HCl. The aqueous layer was discarded. The organic layer contained no amine. What went wrong?
Draw the skeletal structure for trans-1-bromo-2-isopropylcyclopentane. (Hint: Make sure the tapered end, i.e. the thin end, of the wedge bond is attached to the parent.)
Calculate [H+], pH, [OH-] and pOH in a solution in which lactic acid, HC3H5O3, concentration is 0.250 M and the lactate ion concentration is 0.125 M.
A system consists of 6.00 moles of benzene. It is initially at a temperature of 76.0°C, a pressure of 0.878 bar, and a volume of 534.7 cm3. Calculate the volume of the system at the end of this process.
A solution is made by dissolving 15.5 grams of glucose (C6H12O6) in 245 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m?
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