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If the following elements (Na, K, RB, Cs, Fr) were ranked in order from smallest (1st) to largest (5th) ionization energy, where would sodium be listed?
A) 1stB) 2ndC) 3rdD) 4thE) 5th
either through the formation of a single molecule or by bonding to another atom of similar electronic geometry and results in an arrangement of orbitals that is possible within the valence shell of an atom
How many grams of CaH2 are needed to generate 53.5 L of H2 gas if the pressure of H2 is 1 atm at 194 C.
The liquid is allowed to stand in contact with the solid until equilibrium is achieved and then the liquid is poured off. What is the mass of solid remaining?
vessel above eqm is established and at eqm, partial pressure of SO3 and SO2 are same, calculate no. of moles of O2 present at eqm
What is the empirical formula of a compound containing C, H, and O if combustion of a 1.75g sample of the compound yields 2.56g of CO2 and 1.05g of H2O
In combustion analysis, 2.00mg of vitamin C yielded 3.00mg CO2 and 0.816mg H2o. From mass spectrometry, it was found that the molecular weight of vitamin C is 176amu. Determine the mass composition of vitamin C, its empirical formula, and its molecul..
For CO2 one of the major absorptions of IR radiation occurs at the wavenumber of 2350cm^-1. what is the energy corresponding to that IR photon
As the molar concentration of an acid decreases, the reaction rate with an active metal, such as magnesium, is expected to?
What is the change in the measurement of the potential if a solution of 1.00x10-3 M NaF is exchanged for another solution of 1.00x10-4 M NaF?
The overall formation constant for Cu(NH3)42+ is 1.1x1013 at 25oC. What is [Cu2+], in moles per litre, at equilibrium when 8.3 g Cu(NO3)2 is dissolved in 0.500 L of 1.00 mol/L NH3(aq)? Assume that there is no volume change when the Cu(NO3)2 is add..
The reaction of calcium oxide with the pollutant, sulfur trioxide, to produce calcium sulfate has been proposed as one way to remove the the SO3 from the smoke resulting from burning high sulfur coal (as in a power plant).
The first ionization energy of germanium is 762 kj/mol. Upon irradiation with electromagnetic radiation of a particular wavelength, the outermost electron of Ge is ejected with a velocity measured at 2.5 x 10^6 m/s. What is the wavelength of radia..
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