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Gelneren [198K]
3 years ago
13

Archeology has shown that accent people _

Chemistry
1 answer:
mrs_skeptik [129]3 years ago
3 0

Answer:

are ancient

Explanation:

its true.

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Molecular iodine, I2 (g), dissociates into iodine atoms at 545K with a first order rate constant of 0.344 1/s. If you start with
Dennis_Churaev [7]

Answer:

0.00915 M of I_2 remain after 5.16 seconds.

Explanation:

Using integrated rate law for first order kinetics as:

[A_t]=[A_0]e^{-kt}

Where,  

[A_t] is the concentration at time t

[A_0] is the initial concentration

Given that:

The rate constant, k = 0.344 s⁻¹

Initial concentration [A_0] = 0.054 M

Final concentration [A_t] = ? M

Time = 5.16 s

Applying in the above equation, we get that:-

[A_t]=0.054e^{-0.344\times 5.16}\ M=\frac{1\times \:0.054}{e^{1.77504}}\ M=0.00915\ M

<u>0.00915 M of I_2 remain after 5.16 seconds.</u>

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Explanation:

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If an object has two forces acting on it how can the next force equal 0
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