A gas sample of N2O4 is placed in an empty cylinder at 25oC. When equilibrium is reached the total pressure is 1.7 atm and 18% (by moles) of the original N2O4(g) has dissociated to NO2(g). i. Calculate the value of Kp for this dissociation reaction at 25oC. ii. If the volume of the cylinder is increased until the total pressure is 1.0 atm (the temperature of the system remains constant), what is the % dissociation of N2O4? iii. Did the %dissociation decreased or increased or did not changed? Why?
A gas sample of N2O4 is placed in an empty cylinder at 25oC. When equilibrium is reached the total pressure is 1.7 atm and 18% (by moles) of the original N2O4(g) has dissociated to NO2(g). i. Calculate the value of Kp for this dissociation reaction at 25oC. ii. If the volume of the cylinder is increased until the total pressure is 1.0 atm (the temperature of the system remains constant), what is the % dissociation of N2O4? iii. Did the %dissociation decreased or increased or did not changed? Why?
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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A gas sample of N2O4 is placed in an empty cylinder at 25oC. When equilibrium is reached the total pressure is 1.7 atm and 18% (by moles) of the original N2O4(g) has dissociated to NO2(g).
i. Calculate the value of Kp for this dissociation reaction at 25oC.
ii. If the volume of the cylinder is increased until the total pressure is 1.0 atm (the temperature of the system remains constant), what is the % dissociation of N2O4?
iii. Did the %dissociation decreased or increased or did not changed? Why?
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