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Alborosie
3 years ago
8

When will Le Chatelier's principle come into effect?

Chemistry
2 answers:
frutty [35]3 years ago
7 0
The answer is B, i have the same class on plato. the principal only comes into effect when the equilibrium is disturbed 
alex41 [277]3 years ago
4 0

Answer: Option (b) is the correct answer.

Explanation:

According to Le Chatelier's principle, when a system in equilibrium is brought to any change in concentration, temperature or pressure then the equilibrium will shift to the direction opposing the change.

Therefore, we can conclude that when a reaction has reached chemical equilibrium then Le Chatelier's principle will come into effect.

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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
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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,  

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[A_0] is the initial concentration

Given that:

The rate constant, k = 0.344 s⁻¹

Initial concentration [A_0] = 0.054 M

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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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