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If a hydrogen-like atom in the ground-state is excited with a wavelength of 397.21nm, how much energy has been absorbed? Which shell is the electron excited to?
Write a balanced equation and an expression for Ksp for the dissolution of the given ionic compound. Include states-of-matter. CaCO3 balanced equation: solubility expression
suppose that a fully charged lead-acid battery contains 1.50 rm l of 5.00 m rm h2so4. what will be the concentration of
Calculate molarity?if one mole of sodium hydroxide was dissolved estimate the number of calories that would be produced. (ΔHsolnNaOH)
What volume of 0.20 M BaCl2 is required to react completely with 25.0 mL of 0.600 M Na2SO4. This is the net ionic equation for the reaction
In industrial process, the stoichiometric ratio of CO to H2 is used. If the reaction is carried out at a totl pressure of 30 atm, what partial pressures of CO and H2 are used
If the extinction coefficient of cobalt (II) ion is 5.0, what would the absorption of the solutioni in 2-a be in a 1.00cm cell
a student mixed 5.00 ml of a nickel2 chloride solution with 5.00 ml of .100m sodium phosphate and a precipitate formed.
What bond angles do you expect for each of the following? (a) The F---S---F angle in SF2 (b) The H---N---N angle in N2H2 (c) The F---Kr---F angle in KrF4 (d) the Cl----N----O angle in NOCL
What is the maximum amount of P2O5 that can theoretically be made from 186 g P4 and excess oxygen?
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
The selection of enantiomerically pure (1S)-[endo]-(-)-borneol in the upcoming experiment presents a great opportunity to review some stereochemistry basics
Calculate the fraction of atoms in a sample of argon gas at 400K that have an energy of 10.0 KJ or greater.
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