The series if figures shows the reaction 2A reversiblearrow B proceeding to dyna

Question

The series if figures shows the reaction 2A reversiblearrow B proceeding to dynamic equilibrium: Which figure also represents equilibrium for this reaction at the same temperature? (All boxes represent the same volume.) For the reaction, 2COF_2(g) reversiblearrow CO_2(g) + CF_4(g), K, = 2.00 at a particular temperature. A reaction mixture at this temperature initially contains all three gases in equal concentrations. Which is true of this reaction mixture? Q K; the reaction proceeds toward the products Which equilibrium shifts to the left side (reactants) up a decrease in volume? 3O_2(g) reversiblearrow 2O_3(g) 2KCIO_3(s) reversiblearrow 2KCI(s) + 3O_2(g) Fe(s) + CO(g) reversiblearrow FeO(s) + CO(g) 4NH_3(g) + 50_2(g) reversiblearrow 4NO(g) + 6H20(I) Which chemical equation has K_c = K_p? H_2(g) + I_2(g) reversiblearrow 2HI(g) PF_3(g) + F_2(g) reversiblearrow PF_5(g) 2CO(g) + O_2(g) reversiblearrow 2CO_2(g) 4Fe(s) + 3O_2(g) reversiblearrow 2Fe_2O_3(s)

Explanation / Answer

28) ans C

ratio of mole > A : B =2 :1

29) ans.B

k=2

Q = [CO2] [CF4] /[COF2]2

concentration is same,let concentration =x

Q = x . x /x2

Q=1

Q <K

so the reaction proceed toward the product.

30)ans B

in B > in left side only 2 mole and right side 3 mole(gas) is present.

decreased in volume for a gas-phase reaction will shift the system toward the side of the reaction with the fewest moles of gas. For example, decreased volume and therefore increased concentration of both reactants and products for the following reaction at equilibrium will shift the system toward more products.

31.)ans A

Kp = Kc (RT) n

n = (c + d) – (a + b) i.e. number of moles of gaseous products – number of moles of gaseous reactants in the balanced chemical reaction.

in A n=0

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