A laser is emitting photons with a wavelength of 639.8 nm. What is the energy for 1 mole of these photons? For Planck's constant, use a value of 6.626x10-34 J s. Use units of kJ/mol. Report just the number, not the units.

Ithink its solid. hope this

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.