4 years ago

Which part of a light microscope focuses light onto the specimen through the lens?

Chemistry

1 answer:

finlep [7]4 years ago

5 0

I think its the mirror because condenser helps in allowing the amount of light to pass.

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8. Sulfur has a first ionization energy of 1000 kJ/mol. Photons of what frequency are required to ionize one mole of Sulfur?

Lynna [10]

Answer:

the frequency of photons $v = 1.509\times10^{39}Hz$

Explanation:

Given: first ionization energy of 1000 kJ/mol.

No. of moles of sulfur = 1 mole

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We know that plank's constant

$h = 6.626\times10^{-34} Js$

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Also we know that ΔE = hν

this implies ν = ΔE/h

$= \frac{10^6J}{6.626\times10^{-34} Js}$

$v = 1.509\times10^{39}Hz$

Hence, the frequency of photons $v = 1.509\times10^{39}Hz$

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