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Select the reagent from the list below that could be the basis of a simple chemical test that would distinguish between each of the following:
(a) C6H5CONH2 and C6H5CH2NH2
(b) C6H5CH2NH2 and C6H5NHCH3
(c) C6H5NH2 and cyclohexylamine
1. Cold dilute NaHCO3
2. Cold dilute HCl
3. NaNO2, HCl, 5 C, then 2-naphthol
4. C6H5SO2Cl, OH-, then HCl
5. Cold dilute NaOH
Determine the specific heat of a material if a 38 g sample of the material absorbs 40. J as it is heated from 298 K to 313 K?
the alcohol attacking the 2-phenylacetic acid with the subsequent loss of a proton. b. protonation of the ethanol by H2SO4. c. protonation of the carbonyl oxygen of the 2-phenylacetic acid. d. protonation of the hydroxyl group of the 2-phenylac..
Use a drawing program to draw a beaker.
The active catalyst in this experiment was generated from the redox reaction of chloroplatinic acid with sodium borohydride. What is the active catalyst?
Determine the molar mass of the substance if 120.0 grams of a pure sample contained 24.0 mol of the substance. Express your answer in g/mol.?
How are the princible of Le chatelier's used to increase the percentage yield in the production of ammonia in the haber process?
how many grams of KO2 are needed to produce 180.0 L of O2 at 18.0 C and 1.00 atm
A 388 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 640. mmHg. Calculate the moles of Ar present.
Methane gas (CH4) comprises 7 x 10-5 % by mass of the Earth's atmosphere. What is the residence time of the gas in the atmosphere if it is being lost to the methane sinks at the rate of 4 x 1011 kg yr-1.
Initial concentration of CH3NC is 0.0340M. How many minutes does it take for the CH3NC concentration to drop to 0.0300M?
What is the new molarity of a solution when 650mL of water are added to 500.0mL of a 3.2 molar solution?
How many grams of NaN3 are required to produce 11.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L?
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