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Explain why does the addition of NO2+ to acidic solution of acetanilide require to be performed at a cold temperature? Define what would be the products if this wasn't kept at a cold temperature?
certain metals can be extracted from their salts usually halides those containing group 17 elements such as chlorine
what mass of aluminum chloride will be produced if 22.6 grams of zinc chloride are used up in the
How do I know if an E1 or E2 reaction is exothermic or endothermic overall. Can it ever be endothermic? If so, when. All the examples I've seen are exothermic.
How long would a current of 100.0 amp need to be passed through a Al 3+ solution in an electrolysis cell to produce 40.0 g of aluminum metal? Al = 26.98 g/mol F = 96485 C/mol
Use the valence bond thoery to determine whether the complex ion CoCl4^2- is a square planar or tetrahedral. measurements of its paramagnetism show that it has three unpaired electrons
The density of a 16.0 mass % solution of sulfuric acid in water is 1.1094{g/mL} at 25.0 degrees celcius.
Which anions generally do not form precipitates? What are the exceptions?
An aqueous solution that contains 285ppm of potassium nitrate (KNO3) is being used to feed plants in a garden. What volume of this solution is needed.
If 8.19g KIO3 is dissolved in enough water to make 500.0mL of solution, what is the molarity of the potassium iodate Soution. the Molar mass of KIO3is 214g/mol
The minimum frequency of light required to eject electrons from a metal is called the threshold frequency? Determine the minimum energy needed to eject electrons from a metal with a threshold frequency of 3.55 × 1014 s-1.
The normal boiling point of liquid bromine is 58.8oC, and its molar enthalpy of vaporization is Delta Hvap = 29.6 kJ/mol. (a) When Br2(l) boils at its normal boiling point, does its entropy increase or decrease?
Draw the three organic product and the one inorganic product of the following acid catalyzed dehydration reaction.
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