At a temperature below room temperature but with all of the substances still in the gas phase, the equilibrium constant Kp for the decomposition of iodine monochloride (ICl) into I2 and Cl2 is 1.40 × 10–5. If a sealed vessel initially contains 1.41 atm of ICl but no I2 or Cl2, what are the partial pressures of all substances involved in the reaction when it comes to equilibrium?PICI = ______ atm PI2 = _______ atm PCl2 = _______ atm

Equilibrium is the point at which rate of forward reaction is equal to the rate of backward reaction. Equilibrium constant is equal to the ratio of concentration of product raised to the power of its stoichiometry to the concentration of reactant raised to the power of its stoichiometry. aA+bB⇌cC.K=[C]c[A]a[B]b Equilibrium constant at particular pressure and concentration is known as Kp and Kc respectively.To determine the partial pressure of the substances. Given data. Kp=1.40 x 10-5. Initial pressure of ICl=1.41 atm. Balanced chemical reaction. 2IC l⇌ I2+Cl2 I 1.41 0 0 C -2x x x E 1.41-2x x x Kp=PCl2×PI2PICl1.40×10-5=(x)2(1.41-2x)2 Taking under root both side. 0.3741×10-2=x1.41-2x0.00527-0.007482x=x.1.007482x=0.00527.x=0.005271.007482=0.00523 atm. Partial pressure of ICl at equilibrium=1.41-2x. Partial pressure of ICl at equilibrium=1.41-2×0.00523=1.3995 atm. Partial pressure of I2=Partial pressure of Cl2=x=0.00523 atm. Answer PICl=1.3995 atm. PCl2=0.00523 atm. PI2=0.00523 atm.

Answered: At a temperature below room temperature…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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At a temperature below room temperature but with all of the substances still in the gas phase, the equilibrium constant K_p for the decomposition of iodine monochloride (ICl) into I₂ and Cl₂ is 1.40 × 10^–5.

If a sealed vessel initially contains 1.41 atm of ICl but no I₂ or Cl₂, what are the partial pressures of all substances involved in the reaction when it comes to equilibrium?

P_ICI = ______ atm

P_I2 = _______ atm

P_Cl2 = _______ atm

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