Chemistry, 12.08.2020 08:01 villafana36
An excited hydrogen atom emits lift with a wavelength of 397.2nm to reach the energy level for which n=2 in what principal quantum level did the electron begin . (b) what is the number of electrons orbital s and the names of the subshells associated with the initial principal quantum level
Answers: 2
Chemistry, 21.06.2019 13:00
Asolution has a ca2+ concentration of 0.049 m and an f- concentration is 0.147 m at equilibrium. the value of ksp for caf2 at 25Β°c is 4.0 x 10-11. will this solution form a precipitate? yes no
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Chemistry, 21.06.2019 22:30
Imagine that youβre getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because youβve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown
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Chemistry, 22.06.2019 09:50
What are four significant sources of ghgs that come from wostem washington?
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Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9Γ10β4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
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An excited hydrogen atom emits lift with a wavelength of 397.2nm to reach the energy level for which...
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