Follow the directions of Question 47 for the following reactions:
(a)
(b)
(c)
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Chemistry: Principles and Reactions
- Write an equation for an equilibrium system that would lead to the following expressions (ac) for K. (a) K=(Pco)2 (PH2)5(PC2H6)(PH2O)2 (b) K=(PNH3)4 (PO2)5(PNO)4 (PH2O)6 (c) K=[ ClO3 ]2 [ Mn2+ ]2(Pcl2)[ MNO4 ]2 [ H+ ]4 ; liquid water is a productarrow_forwardShow that the complete chemical equation, the total ionic equation, and the net ionic equation for the reaction represented by the equation KI(aq)+I2(aq)KI3(aq) give the same expression for the reaction quotient. KI3 is composed of the ions K+ and I3-.arrow_forwardAssume that the change in concentration of N2O4 is small enough to be neglected in the following problem.(a) Calculate the equilibrium concentration of both species in 1.00 L of a solution prepared from 0.129 mol of N2O4 with chloroform as the solvent.N2 O4(g) ⇌ 2NO2(g) Kc = 1.07 × 10−5 in chloroform(b) Show that the change is small enough to be neglected.arrow_forward
- Write the mathematical expression for the reaction quotient, Qc, for each of the following reactions:(a) N2(g) + 3H2(g) ⇌ 2NH3(g)(b) 4NH3(g) + 5O2(g) ⇌ 4NO(g) + 6H2 O(g)(c) N2 O4(g) ⇌ 2NO2(g)(d) CO2(g) + H2(g) ⇌ CO(g) + H2 O(g)(e) NH4 Cl(s) ⇌ NH3(g) + HCl(g)(f) 2Pb(NO3)2(s) ⇌ 2PbO(s) + 4NO2(g) + O2(g)(g) 2H2(g) + O2(g) ⇌ 2H2 O(l)(h) S8(g) ⇌ 8S(g)arrow_forwardNitric oxide reacts with oxygen to give nitrogen dioxide, an important reaction in the Ostwald process for the industrial synthesis of nitric acid:2NO(g)+O2(g)⇌2NO2(g) . (a) If Kc=6.9×10^5 at 227 ∘C, what is the value of Kp at this temperature? (b) If Kp=1.3×10^−2 at 1000 K, what is the value of Kc at 1000 K?arrow_forwardWrite the mathematical expression for the reaction quotient, Qc, for each of the following reactions:(a) N2(g) + 3H2(g) ⇌ 2NH3(g)(b) 4NH3(g) + 5O2(g) ⇌ 4NO(g) + 6H2 O(g)(c) N2 O4(g) ⇌ 2NO2(g)(d) CO2(g) + H2(g) ⇌ CO(g) + H2 O(g)(e) NH4Cl(s) ⇌ NH3(g) + HCl(g)(f) 2Pb⎛⎝NO3⎞⎠2(s) ⇌ 2PbO(s) + 4NO2(g) + O2(g)(g) 2H2(g) + O2(g) ⇌ 2H2 O(l)(h) S8(g) ⇌ 8S(g)arrow_forward
- Consider the reaction below: 4HCI (g) 0:(g) 2C1: (g) + 2H₂O(g) Predict the direction of the equilibrium if: (a) Cl; is added to the equilibrium. (b) A small amount of HCI is reduced to the equilibrium. (c) Temperature of the system is increased. (d) Pressure of the system is decreased. AH+320 kJmol (4 maarrow_forwardThe equilibrium constant for the reaction2 NO(g) + Br2(g) ⇌ 2 NOBr(g)is Kc = 1.3 x 10-2 at 1000 K. (a) At this temperature doesthe equilibrium favor NO and Br2, or does it favor NOBr?(b) Calculate Kc for 2 NOBr(g)⇌ 2 NO(g) + Br2(g).(c) Calculate Kc for NOBr(g)⇌ NO(g) + 1/2 Br2(g).arrow_forwardWrite the mathematical expression for the reaction quotient, Qc, for each of the following reactions:(a) CH4(g) + Cl2(g) ⇌ CH3Cl(g) + HCl(g)(b) N2(g) + O2(g) ⇌ 2NO(g)(c) 2SO2(g) + O2(g) ⇌ 2SO3(g)(d) BaSO3(s) ⇌ BaO(s) + SO2(g)(e) P4(g) + 5O2(g) ⇌ P4 O10(s)(f) Br2(g) ⇌ 2Br(g)(g) CH4(g) + 2O2(g) ⇌ CO2(g) + 2H2 O(l)(h) CuSO4·5H2 O(s) ⇌ CuSO4(s) + 5H2 O(g)arrow_forward
- Write the mathematical expression for the reaction quotient, Qc, for each of the following reactions:(a) CH4(g) + Cl2(g) ⇌ CH3 Cl(g) + HCl(g)(b) N2(g) + O2(g) ⇌ 2NO(g)(c) 2SO2(g) + O2(g) ⇌ 2SO3(g)(d) BaSO3(s) ⇌ BaO(s) + SO2(g)(e) P4(g) + 5O2(g) ⇌ P4 O10(s)(f) Br2(g) ⇌ 2Br(g)(g) CH4(g) + 2O2(g) ⇌ CO2(g) + 2H2 O(l)(h) CuSO4 ·5H2 O(s) ⇌ CuSO4(s) + 5H2 O(g)arrow_forwardAmmonia is a weak base that reacts with water according to this equation: NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH −(aq) Will any of the following increase the percent of ammonia that is converted to the ammonium ion in water? (a) Addition of NaOH (b) Addition of HCl (c) Addition of NH4Cl.arrow_forwardUsing the law of mass action, write the equilibrium expression for each of the following reactions. (a) 8 H2(g) + Sg(s) 2 8 H,S(g) (b) C(s) + H,O(€) + Cl2(g) = COCl,(g) + H,(g) (c) CaCO3(s) 2 CaO(s) + CO2(g) (d) 3 C,H2(g) = CH(t) Actiarrow_forward
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