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What are competencies, and why are they popular in training departments? How are competency models related to job analysis?
Question- One possible by-product from the triphenylmethanol synthesis is ethoxytriphenylmethane. Tell how and when it might form, and give an equation and mechanism for the reaction.
If the average mass of a single hydrogen atom is 1.67x10^-24g , what is the mass in grams of 6.02x10^23 hydrogen atoms
Gas was obtained by boiling liquid nitrogen stored in a 175.0 L tank. What volume ofN2 is released at 0.940 atm of pressure and 25 C from a tank full of liquid N2(d=0.808g/mol)
If 22.50mL of 0.100 M nitric acid is required to neutralize 25.0 mL of barium hydroxide solution, what is the molar concentration of the base. HNO3 (aq) + Ba(OH)2(aq) --->Ba(NO3)2 (aq) + H2O (l)
what would be the effect on my calculated molecular weight of p-dichlorobenzene if my lab partner left the stopper off of the apparatus while I was weighing the solid p-chlorobenzene. Explain in detail what would happen if this occured and how it ..
What compounds will be present after chemical reaction has occurred. Write out a balanced chemical reaction for this description, and name all compounds present.
What should happen to o the melting point if the unknown were mixed with a) an equal quantity of pure acetanilide? b) an equal quantity of benzoic acid?
Using the following balanced reaction , how many mol of water are formed if 5.20 mol of Fe (OH)3 react completely. 2Fe (OH)3 +3H2SO4 --> 6H2O +Fe2(SO4)3
what are the practical properties of acetone and detailed explanation of its properties.
a 0.30 m solution of sucrose c12h22o11 at 37oc has approximately the same osmotic pressure as blood. what is the
the barometric pressure in a cavern was measured using a mercury barometer. a value of 28.2 inches of hg was obtained.
Rolls of aluminum foil are 300mm wide and 0.013mm thick. What maximum length of aluminum foil can be made from 0.87kg of aluminum?
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