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Chemistry 15 Online
OpenStudy (anonymous):

Ultraviolet light emits a total of 2.5 × 10–17 J of light at a wavelength of 9.8 × 10–7 m. How many photons does this correspond to?

OpenStudy (anonymous):

i did the work and i keep getting 123 when the answer is 125 i dont know what i am doing wrong

OpenStudy (chmvijay):

just convert this one to wavelength E=hc/wavelength wavelenth= hc/E =

OpenStudy (chmvijay):

no problem small changes will be always there ur right

OpenStudy (anonymous):

sorry the question was this not the one i posted Ultraviolet light emits a total of 2.5 × 10–17 J of light at a wavelength of 9.8 × 10–7 m. How many photons does this correspond to?

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