Chemistry Practice Problems Bohr and Balmer Equations Practice Problems Solution: Calculate the energy, in joules, required to excit...

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Solution: Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level.a. 2.07 x 10-29 J b. 2.19 x 105 J c. 2.04 x 10-18 J d. 3.27 x 10-17 J e. 2.25 x 10-18 J

Problem

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level.

a. 2.07 x 10-29

b. 2.19 x 105

c. 2.04 x 10-18

d. 3.27 x 10-17

e. 2.25 x 10-18 J

Solution

To calculate the energy required for the electronic transition, we will use the Bohr Equation shown below which relates electronic transition to the energy:

ΔE = energy related to the transition
RH = Rydberg constant

ni = initial principal energy level
nf = final principal energy level


Given values:

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