Pregunta 1 · Complements de química URV Examen Primer Parcial. Complements de Química

First Midterm Exam

Constants and conversion factors provided: $R_H = 13.6\text{ eV}$ (or $2.179 \times 10^{-18}\text{ J}$), $h = 6.626 \times 10^{-34}\text{ J}\cdot\text{s}$, $c = 3.00 \times 10^8\text{ m/s}$, $1\text{ eV} = 1.602 \times 10^{-19}\text{ J}$, $1\text{ m} = 10^9\text{ nm}$.

Pregunta 1. Balmer series wavelengths

Calculate the wavelengths (expressed in nanometers, nm) corresponding to the first three transitions belonging to the Balmer series of the hydrogen emission spectrum ($n_1 = 2$).

a)

b)

c)