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Ionization energy is defined as the amount of energy input that is needed from an outside source to remove an electron from an atom. Ionization, in the quantum view, corresponds to raising an electron to the n = 1 electronic state.
What is the ionization energy of a hydrogen atom which is in the ground (n = 1) state?
what is the molarity of a solution containing 16.0 rm g of rm kcl in 324 rm ml of
Under which circumstances is it wise to use a mixture of solvents to carry out a recrystallization
If a bottle of nail polish remover contains 151 g of acetone, how much heat would be released by its complete combustion?
Compare the stability of two conjugated dienes, and two nonconjugated dienes, each with the formula C7H12 and the base name hexane. Which type is the most stable and which is the least stable according to your data
Which of the following is a statement of Hess's Law? Answer a. If a reaction is carried out in a series of steps, the ΔH for the reaction will equal the sum of the enthalpy changes for the individual steps
Which of the compounds contain chiral centers? a.1-bromobutane b. 2-bromobutane c. 1,2-dibromobutane d. 1,3-dibromobutane e.1,4-dibromobutane f. 2,3-dibromobutane
an airplane is pressurized to 650 mmhg. The partial pressure of oxygen is 137 mmhg. If the partial pressure of oxygen drops below 100.mmhg.
what maximum volume of a buffer with a ph=4.58 can be prepared using only these two resources?
The reaction is first order and has a rate constant of 6.2 ? 10-5 /s at 35?C when the H+ concentration is 0.10 M. Suppose that the initial concentration of sucrose in the solution is 0.40 M. How many minutes will it take for the sucrose concentrat..
The lab was a "Two-Base Extraction" A mixture of benzoic acid, 2-naphthol, and naphthalene was extracted with sodium bicarbonate and followed by sodium hydroxide.
what is the longest wavelength of radiation that possesses the necessary energy to break a nitrogen bond.
If a 0.10M aqueous weak acid solution has a pH of 2.50 what percentage of the acid is dissociated
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