Equilibrium1

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What is the equilibrium constant expression, Kc for the following reaction? 

 $H_2S(g)⇌H_2(g)+\frac{1}{2}S_2(g)$  

•  $Kc=[H_2][S_2]$  
  

•  $Kc=[H_2][S_2]^{\frac{1}{2}}/\ [H_2S]$  
  

•  $Kc=[H_2S]\ /\ [H_2][S_2]^{\frac{1}{2}}$  

•  $Kc=[H_2S]$  

What is the equilibrium constant expression, Kc for the following reaction? 

 $CO(g)+H_2O(g)\ ⇌\ CO_2(g)+H_2(g)$  

•  $Kc=[CO_2][H_2]\ /\ [H_2O][CO]$  

•  $Kc=[CO][H_2O]\ /\ [CO_2][H_2]$  

•  $Kc=[CO_2][H_2]$  

•  $Kc=[CO_2]\ /\ [CO]$  

Balance the equation, and choose the suitable Kc for the following reaction.

 $N_2(g)\ +\ 3H_2(g)\ \ ⇌\ \ \ NH_3(g)$  

•  $Kc=[N_2][H_2]^3/\ [NH_3]$  

•  $Kc=[NH_3]\ /\ [N_2][H_2]^3$  

•  $Kc=[N_2][H_2]^3/\ [NH_3]^2$  

•  $Kc=[NH_3]^2/\ [N_2][H_2]^3$  

Balance the equation, and choose the suitable Kc for the following reaction.

 $CS_2(g)+H_2(g)\ ⇌\ CH_4(g)+H_2S(g)$  

•  $Kc=[CS_2][H_2]/[CH_4][H_2S]$  

•  $Kc=[CS_2][H_2]^4\ /\ [CH_4][H_2S]^2$  

•  $Kc=[CH_4][H_2S]^2\ /\ [CS_2][H_2]^4$  

•  $Kc=[CH_4][H_2S]\ /\ [CS_2][H_2]$  

Balance the equation, and choose the suitable Kc for the following reaction.

 $NO(g)\ ⇌\ N_2O(g)+NO_2(g)$  

•  $Kc=[NO]\ /\ [N_2O][NO_2]$  

•  $Kc=[NO]^2/\ [N_2O][NO_2]$  

•  $Kc=[N_2O][NO_2]\ /\ [NO]^2$  

•  $Kc=[N_2O][NO_2]\ /\ [NO]^3$  

Balance the equation, and choose the suitable Kc for the following reaction.

 $NH_3(g)+O_2(g)\ ⇌\ NO(g)+H_2O(g)$  

•  $Kc=[NO]^2[H_2O]^3\ /\ [NH_3]^2[O_2]^{5/2}$  

•  $Kc=[NH_3]^2[O_2]^{5/2}\ /\ [NO]^2[H_2O]^3$  

•  $Kc=[NO]^2[H_2O]^3\ /\ [NH_3]^2[O_2]^5$  

•  $Kc=[NH_3]^2[O_2]^5\ /\ [NO]^2[H_2O]^3$  

Balance the equation, and choose the suitable Kp for the following reaction.

 $C_3H_8(g)+O_2(g)\ ⇌\ CO_2(g)+H_2O(g)$  

•  $Kp=(P_{CO_2})(P_{H_2O})\ /\ (P_{C_3H_8})(P_{O_2})$  

•  $Kp=(P_{CO_2})^3(P_{H_2O})^8\ /\ (P_{C_3H_8})(P_{O_2})^7$  

•  $Kp=(P_{CO_2})^3(P_{H_2O})^4\ /\ (P_{C_3H_8})(P_{O_2})^5$  

•  $Kp=(P_{C_3H_8})(P_{O_2})\ /\ (P_{CO_2})(P_{H_2O})$  

Balance the equation, and choose the suitable Kp for the following reaction.

 $N_2O_5(g)\ \ ⇌\ \ NO_2(g)\ +\ O_2(g)$  

•  $Kp=(P_{N_2O_5})\ /\ (P_{NO_2})^2(P_{O_2})^{1/2}$  

•  $Kp=(P_{NO_2})^2(P_{O_2})^{1/2}\ /\ (P_{N_2O_5})$  

•  $Kp=(P_{NO_2})^2(P_{O_2})\ /\ (P_{N_2O_5})$  

•  $Kp=(P_{N_2O_5})\ /\ (P_{NO_2})^2(P_{O_2})$  

Balance the equation, and choose the suitable Kp for the following reaction.

 $NO(g)\ +\ O_2(g)\ \ ⇌\ \ NO_2(g)$  

•  $Kp=(P_{NO_2})\ /\ (P_{NO})(P_{O_2})^2$  

•  $Kp=(P_{NO_2})\ /\ (P_{NO})(P_{O_2})^{1/2}$  

•  $Kp=(P_{NO})(P_{O_2})^{1/2}\ /\ (P_{NO_2})$  

•  $Kp=(P_{NO})(P_{O_2})^2\ /\ (P_{NO_2})$