Given that Kp = 1.39 at 400. PC for the reaction, P4(g) <=> 2 P2(g), which answer best describes the reaction when 1.30 mol of P4(g) and 1.10 mol of P2(g) are mixed in a 25.0 L, closed container at 400. °C?[REMEMBER: it's Kp]A. Qp = 0.0372 the reaction proceeds to the right.O B. Qp = 0.931. the reaction proceeds to the right.OC. Qp = 0.0372, the reaction proceeds to the leftD. Qp =1.39, the reaction is at equilibriumE. Qp = 2.06, the reaction proceeds to the left.

Equilibrium constant (Kp) This is the Equilibrium constant obtained from the partial pressures of…

Answered: Given that Kp = 1.39 at 400. °C for the…

Chemistry

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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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Given that Kp = 1.39 at 400. PC for the reaction, P4(g) <=> 2 P2(g), which answer best describes the reaction when 1.30 mol of P4(g) and 1.10 mol of P2(g) are mixed in a 25.0 L, closed container at 400. °C?
[REMEMBER: it's Kp]
A. Qp = 0.0372 the reaction proceeds to the right.
O B. Qp = 0.931. the reaction proceeds to the right.
OC. Qp = 0.0372, the reaction proceeds to the left
D. Qp =
1.39, the reaction is at equilibrium
E. Qp = 2.06, the reaction proceeds to the left.

Expert Solution

Step 1

Equilibrium constant (Kp)

This is the Equilibrium constant obtained from the partial pressures of gases.
This is used for gaseous equilibrium, here partial pressure is used instead of concentration.

$a A_{(g)} + b B_{(g)} \Leftrightarrow c C_{(g)} + d D_{(g)} k_{p} = \frac{{P_{A}}^{a} {P_{B}}^{b}}{{P_{C}}^{c} {P_{D}}^{d}} P_{A} = p a r t i a l p r e s s u r e o f A P_{B} = p a r t i a l p r e s s u r e o f B P_{C} = p a r t i a l p r e s s u r e o f C P_{D} = p a r t i a l p r e s s u r e o f D$

The reaction quotient (Q)

amounts of products and reactants that are present in the reaction at a given time.

Conside a revesible reaction,

a A + b B ⇌ c C + d D Q = ​ \frac{{[A]}^{a} {[B]}^{b}}{{[C]}^{c} {[D]}^{d} ​} [A] = C o c e n t r a t i o n o f A [B] = C o c e n t r a t i o n o f B [C] = C o c e n t r a t i o n o f C [D] = C o c e n t r a t i o n o f D

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