Le chatelier's principle describes the effect of changing conditions on a chemical reaction that was previously at equilibrium. choose the statement that correctly describes the possible effects. a. adding more carbon dioxide to a combustion reaction will increase the rate of the reaction. b.when oxygen is removed from a combustion reaction, the reaction slows down or stops. c.when water is added to a combustion reaction, it will increase the rate of the reaction.

.B.When oxygen is removed from a combustion reaction, the reaction slows down or stops.

Explanation:

Le Chatelier's principle -

The direction of the reaction by changing the concentration can be determined by Le Chatelier's principle,

It states that ,

When a reaction is at equilibrium , Changing the concentration , pressure,  temperature disturbs the equilibrium , and the reaction again tries to attain equilibrium by counteracting the change.

The combustion reaction of carbon dioxide is as follows -

C + O₂ → CO₂

Hence ,

Removing O₂ from the system , i.e. decreasing the concentration of O₂ ,  according to Le Chatelier , the reaction will move in backward direction , to increase the amount of reduced O₂ .

Hence, reaction will go in backward direction.

the product of the pressure and volume is also constant

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