One of the reactions from the prevjous page was studied using a pure sample of c

Question

One of the reactions from the prevjous page was studied using a pure sample of carbon dioxide t=0ms t=1ms t=5ms t=15ms t 45 ms /00 Write out the balanced chemical equation for this reaction. The reaction rate appears fast initially, but slows down over time this is o Explain how and why the rate of the forward reaction would be affected by the following changes a)the volume of the valis halved:}+ wild increet because the rntf b) the temperature is increased: it LOuld increoul bee anst the /attf cellaon wol hcrease c) the numbept initial CO2 molecules is doubled: fk votat rnte 1-Ala ,nu'east

Explanation / Answer

a)

you can always state the equilbirium if the concnetration of products + reactants are similar, that is

Qx = [proudcts^p / [reactant]^r for Time = X is the same for Qy, time Y

b)

Q for t = 15 is the same for Q = 45

Q fot t = 5 is not ht esame for Q = 15

therefore

the equilbirum is ahcieved at t =15

rate of forward --> (Concentratoin at time 45 - Concentration at time 15) / (Time 45 - Time 15)

rate reverse --> (Concentratoin at time 15 - Concentration at time 45) / (Time 15 - Time 45)

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