The linear form of the Arrbenius equation is very useful, as a plot of In k vs.

Question

The linear form of the Arrbenius equation is very useful, as a plot of In k vs. 1/T allows us to calculate the from the slope and the from the intercept. 25. Which of the listed perturbations would change the value of the equilibrium constant for the following reaction? List those that do as a sequence of letters, e.g., ACE. NH_4CO_2NH_2(s) 2NH_3(g) + CO_2(g) A. Increasing the quantity of NH_4CO_2NH_2(s) B. Removing CO_2(g) C. Increasing the total pressure by adding argon gas D. Increasing the volume of the container E. Increasing the temperature

Explanation / Answer

24)

we know that

according to arhnenius equation

k = Ae^(-Ea/RT)

lnk = ln Ae^(-Ea/RT)

lnk = lnA - (Ea/RT)

lnk = (-Ea/R) (1/T) + ln A

compare it with y = mx + c

here

slope = m = -Ea/R

y-intercept = c = ln A

so

plot of lnk vs 1/T allows us to calculate

a) the activatione energy (Ea) from the slope

b) and the frequency factor from the intercept

25)

we know that

the value of equilibrium constant only depends on the temperature

so

the answer is

E) increasing the temperature

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