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sammy [17]
3 years ago
6

What is the mass of 23 moles of lithium atoms

Chemistry
1 answer:
allochka39001 [22]3 years ago
5 0

Take 23mols and multiply it by the atomic mass of Li:

23mol  * 6.94g/mol = 159.62g

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Rank these photons in terms of increasing energy:<br> (a) blue (λ=453nm)
alexira [117]

The increasing order of photons in terms of energy is Er < Ey < Eb

A photon is a tiny particle of electromagnetic radiation and its energy is proportional to the frequency and rest mass as zero.

By using the formula:

E = h * ν

E = h * c / λ

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c = speed of light

Since h * c is constant

E is inversely proportional to wavelength  λ

For blue:

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For yellow:

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For more information click on the link below:

brainly.com/question/15946945

# SPJ4

Complete question:

Rank the following photons in terms of increasing energy: (a) blue (λ = 453 nm); (b) red (λ = 660 nm); (c) yellow (λ = 595 nm).

8 0
2 years ago
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