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lakkis [162]
3 years ago
8

NEED HELP\ I GIVE BRAIN

Chemistry
1 answer:
Mandarinka [93]3 years ago
4 0

Answer:

The first true or false Question, I believe to be true and the second one I think it is False

Explanation:

1. The Gulf of Mexico's water is very warm.

2.  It tropical meaning a wet so it couldn't form over Dry land.

     Hope this Helps :)

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Keeping in mind scientific notation, rounding, and significant figures, what is 25 × 10?
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The value of delta for the [C_rF_6]^3- complex is 182 kJ/mol. Calculate the expected wavelength of the absorption corresponding
kirza4 [7]

Answer:  Yes the absorb in the visible range.

Explanation:

The relationship between wavelength and energy of the wave follows the equation:

E=\frac{Nhc}{\lambda}

where,

E = energy of the wave  = 182 kJ/mol  = 182000 J/mol

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h = plank constant = 6.6\times 10^{-34}Js^{-1}

c = speed of light = 3\times 10^8m/s

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Putting all the values:

182000=\frac{6.023\times 10^{23}\times 6.6\times 10^{-34}\times 3\times 10^8m/s}{\lambda}

\lambda=0.65\times 10^{-6}m=650nm    (1nm=10^{-9}m)

The wavelength range for visible rays is 400 nm to 750 nm, thus the complex absorb in the visible range.

5 0
3 years ago
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