(8)Given average kinetic energy, (K) = (kT), of a molecule in air at room temperature (20°C = 293K),
問題詳情
(8)Given average kinetic energy, (K) =
(kT), of a molecule in air at room temperature (20°C = 293K), please determine the root-mean-square speed of an O2 molecule with this energy. (k = 1.38×10⁻²³ J/K, 1u = 1.66×10⁻²⁷ kg) (A)511 m/s (B)671 m/s (C)478 m/s (D)823 m/s (E)379 m/s
