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The number of moles in 4.5 x 10^24 atoms of oxygen

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Stage in which a typical star has completely stopped fusion

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘