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ElenaW [278]
3 years ago
14

Select all that apply. Select all the items that are public goods or services.

Chemistry
2 answers:
IRINA_888 [86]3 years ago
7 0
Education millitary and police force roads is not a public good or servicev he is wrong
Gekata [30.6K]3 years ago
4 0
All of them are technically a public good or a service because for a public goods it would be all and service it would be all so.... yah
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What is the number of neutrons in the element Nickel?
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Number of Protons, 28. Number of Neutrons, 31. Number of Electrons, 28

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N/A

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Problem Page Question It takes to break a carbon-carbon single bond. Calculate the maximum wavelength of light for which a carbo
Marizza181 [45]

This is a incomplete question. The complete question is:

It takes 348 kJ/mol to break a carbon-carbon single bond. Calculate the maximum wavelength of light for which a carbon-carbon single bond could be broken by absorbing a single photon. Round your answer to correct number of significant digits

Answer: 344 nm

Explanation:

E=\frac{Nhc}{\lambda}

E= energy  = 348kJ= 348000 J  (1kJ=1000J)

N = avogadro's number = 6.023\times 10^{23}

h = Planck's constant = 6.626\times 10^{-34}Js


c = speed of light = 3\times 10^8ms^{-1}

348000=\frac{6.023\times 10^{23}\times 6.626\times 10^{-34}\times 3\times 10^8}{\lambda}

\lambda=\frac{6.023\times 10^{23}\times 6.626\times 10^{-34}\times 3\times 10^8}{348000}

\lambda=3.44\times 10^{-7}m=344nm    1nm=10^{-9}m

Thus the maximum wavelength of light for which a carbon-carbon single bond could be broken by absorbing a single photon is 344 nm

5 0
3 years ago
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