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The ionization potential for a certain atom is 350Kj/mol. If the electron is in the first excited state, the ionization potential is 105 kj/mol. If the atom undergoes deexcitation, what would be the wavelength of the photon emitted?
The specific heat of iron metal is 0.450 J/g-K. How many J of heat are necessary to raise the temperature of a 1.05-kg block of iron from 25.0 Celcius to 88.5 Celcius
The basicity test differentiates aromatic and aliphatic amines based on their solubility in a pH 5.5 buffer. Given that Kb for aniline is 4.2 x 10^-10 and Kb for cyclohexylamine if 5.0x10^-4, calculate the ratio of amine salt to dissolved amine fo..
Commercially available concentrated sulfuric acid is 18M. calculate the volume of this acid that is required to prepare
The fluoridation of city water supplies has been practiced in the United States for several decades. It is done by continuously adding sodium fluoride to water as it comes from reservoir.
a toxicologist studying mustard gas sch2ch2cl2 a blistering agent prepares a mixture of 0.675 m scl2 and 0.973 m c2h4
pipe with inner and outer diameter of 50 mm and 60 mm respectively are used for transporting superheated vapor in a
in the synthesis of divanillin the first step in the mechanism of this reaction involving vanillin is the formation of phenoxy radical by abstraction of the phenoic H atom
what would the concentration of copper be in a solution created by combining 10ml of it with 10 ml of the 0.100M copper (II)sulfate solution?
Write balanced equations for the reactions of aqueous NaOH with excess m-toluoyl chloride and with excess thionyl chloride
A sample of ammonia, NH3, contains 3.3 x 1021 hydrogen atoms. How many moles of ammonia are in this sample?
The name acetic anhydride implies that the compound will react with water to form acetic acid. Write the equation for the reaction.
Useful data might be: change in enthalpy of melting=6.0 kj/mol; change in enthalpy of vaporization=40.6 kj/mol; cp(h2O (liquid))=75.3 J/mol K; the density of ice is 0.917 g/cm^3 and the density of water is 1.00g/cm^3.
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