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slega [8]
3 years ago
10

The atomic mass of a atom (in amu) is equal to

Chemistry
2 answers:
kobusy [5.1K]3 years ago
5 0
1.67377x10-27 kilogram(kg) or 1.67377x 10-24 gram(g)
kotykmax [81]3 years ago
3 0

Answer:

the sum of the number of protons and neutrons in the nucleus.

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What is the overall cell potential for this redox reaction? Ca2+ + 2Li = Ca + 2Li+ Ca2+ + 2e- = Ca -2.87 V Li = Li+ + e- -3.05 V
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The redox reaction is

Ca^{+2}  + 2Li(s)  = Ca(s) + 2Li^{+}

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The reduction potential of lithium is - -3.05 V

We know that

Ecell = Ecathode - Eanode

Ecell = -2.87 - (-3.05)  = 0.18 V


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3 years ago
Red light has a wavelength of about 6.5 x 10-7m. Find its frequency. Show all work.
ozzi
For this problem we use the wave equation. It is expressed as the speed (c) is equal to the product of frequency (f) and wavelength (v).

c = v x f

We know the wavelength of the an red light which is 6.5 x 10^-7 m. Now, we solve for the wavelength of the unknown wave to see the relation between the two waves.

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Therefore, the wavelength of the unknown wave is less than the wavelength of the red light.
3 0
3 years ago
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