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Otrada [13]
3 years ago
8

Describe in detail the visible spectrum. Include: the colors of the spectrum, a general statement about the wavelengths of the c

olors of the spectrum, what happens when white light enters a prism, and what the spectrum looks like to the human eye and brain.
Chemistry
2 answers:
faltersainse [42]3 years ago
5 0

Answer:

dfsgvhyjnkmljkhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

yhgtu

Explanation:olkkjl

Gemiola [76]3 years ago
3 0
Hi! i can't help with everything but here are some of the answers:

- the 7 colors of the visible light spectrum are Red, Orange, Yellow, Green, Blue, Indigo, and Violet.
- red has the longest wavelength and violet has the shortest
- when white light enters a prism, it gets separated into the 7 colors of the visible light spectrum in a process called "dispersion"

hope this helps!
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3 years ago
he rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy . If the rate c
Leya [2.2K]

The question is incomplete, here is the complete question:

The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy Ea = 71.0 kJ/mol . If the rate constant of this reaction is 6.7 M^(-1)*s^(-1) at 244.0 degrees Celsius, what will the rate constant be at 324.0 degrees Celsius?

<u>Answer:</u> The rate constant at 324°C is 61.29M^{-1}s^{-1}

<u>Explanation:</u>

To calculate rate constant at two different temperatures of the reaction, we use Arrhenius equation, which is:

\ln(\frac{K_{324^oC}}{K_{244^oC}})=\frac{E_a}{R}[\frac{1}{T_1}-\frac{1}{T_2}]

where,

K_{244^oC} = equilibrium constant at 244°C = 6.7M^{-1}s^{-1}

K_{324^oC} = equilibrium constant at 324°C = ?

E_a = Activation energy = 71.0 kJ/mol = 71000 J/mol   (Conversion factor:  1 kJ = 1000 J)

R = Gas constant = 8.314 J/mol K

T_1 = initial temperature = 244^oC=[273+244]K=517K

T_2 = final temperature = 324^oC=[273+324]K=597K

Putting values in above equation, we get:

\ln(\frac{K_{324^oC}}{6.7})=\frac{71000J}{8.314J/mol.K}[\frac{1}{517}-\frac{1}{597}]\\\\K_{324^oC}=61.29M^{-1}s^{-1}

Hence, the rate constant at 324°C is 61.29M^{-1}s^{-1}

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