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aivan3 [116]
2 years ago
15

What is the order of reaction with respect to a and b for a reaction that obeys the rate law: rate = k[a]4[b]5?

Chemistry
1 answer:
spin [16.1K]2 years ago
3 0

The order of reaction with respect to a is 4 and with respect to b is 5 for a reaction that obeys the rate law.

The order of reaction is equal sum of power of concentration of the each reactant present in the reaction  that obeys the rate law . The order of individual reactant or species present in the rate law is equal to the power of the of concentration of the respective species or reactant .

Example : If rate law is given as,

rate = k[a]^{4} [b]^{5}

The order of reaction with respect to a is 4 and with respect to b is 5 for a reaction that obeys the rate law.

To learn more about order of reaction please click here

brainly.com/question/1769080

#SPJ4

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              No, a photon with a wavelength of 500 nm can't  ionize a sodium atom.

<h3>Explanation:</h3>

Step 1: Find out Energy of given wavelength:

The relation between wavelength and frequency is as follow,

                                                        υ = c / λ

where

           υ = frequency = ?

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           λ = wavenumber = 500 nm = 500 × 10⁻⁹ m

Putting the given values,

                                 υ = 3.0 × 10⁸ ms⁻¹ / 500 × 10⁻⁹ m

                                 υ = 6.0 × 10¹⁴ s⁻¹

Also we know that,

                                                        E = h υ

Where;

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Putting value of frequency,

                                 E = 6.6262 × 10⁻³⁴ Js × 6.0 × 10¹⁴ s⁻¹

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Step 2: Compare given energy and calculated energy:

As we know,

                                          0.5 mJ  =  500000 J

Also,

                                     500000 J  >  3.97 × 10⁻¹⁹ J

<h3>Conclusion:</h3>

                           The energy of calculated wavelength of photon is less than 0.5 mJ hence, it is unable to ionize sodium atom.

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