Respuesta :

Answer:

2.65 x 10⁻¹⁹ J

Explanation:

ΔE = h·f = (6.63 x 10⁻³⁴J·s)(4 x 10¹⁴s⁻¹) = 2.65 x 10⁻¹⁹ J

RELAXING NOICE
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