In which reaction would an increase in pressure at constant temperature have no

Question

In which reaction would an increase in pressure at constant temperature have no effect on the relative amounts of the substances present in the equilibrium mixture? All substances are gases. (A) 2NO + O_2 2NO_2 + heat (B) heat + N_2 + O_2 2NO (C) N_2 +n 3H_2 2NH_3 + heat (D) 2CO + O_2 2CO_2 + heat The solubility of solid silver chromate, Ag_2CrO_4, which has K_sp equal to 9.0 times 10^-12 at 25 degree C, is determined in water and in two different aqueous solutions. Predict the relative solubility of Ag_2CrO_4 in the three solutions. (A) I = II = III (B) I

Explanation / Answer

Answer

(B) heat + N2 + O2 <----> 2 NO

because only in this reaction number of moles of the system will remain constant

as the number of moles of total reactants is equal to number of products

so at constant temperature if the pressure increases also there will be no effect on the system

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