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Please answer and show all work. thank you!!!!!! 6. The following equilibrium constants have been determined...
15.35 The following equilibrium constants have been determined for oxalic acid at 25°C. H.C204(aq) = H*(aq) + HC2O2(aq) K' = 6.5 x 10-2 HC2O2(aq) 2 H +(aq) + C202 (aq) K" = 6.1 x 10-5 Calculate the equilibrium constant for the following reaction at the same temperature. H,C,04(aq) 2 2H+(aq) + C202 (aq) re
The following equilibrium constants have been determined for oxalic acid at 25 degree C. H_2C_2O_4(aq) rightarrowoverleftarrow H^+(aq) + HC_2O_4^-(aq) K_1 = 6.5 times 10^-2 HC_2O_4^-(aq) rightarrowoverleftarrow H^+(aq) + C_2O_4^2- (aq) K_2=6.1 times 10^-5 Calculate the equilibrium constant for the following rxn at the same temperature. H_2C_2O_4(aq) rightarrowoverleftarrow H^+(aq) + C_2O_4^2- (aq)
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7. Consider the following equilibrium, HS- + HC204- 5 H2S + C202-For oxalic acid the first and second acid dissociation constants are 5.6 x 102 and 5.4 x 10, respectively, and for hydrosulfuric acid the first and second acid dissociation constants are 9.5 x 108 and 1.0 x 10-19, respectively. Calculate the equilibrium constant, Keq. 12. A buffer with pH = 10.15 is to be prepared by addition solid sodium hydrogen carbonate to 1.00 L...
The following standard reduction potentials have been determined for the aqueous chemistry of iron: Fe3 (a)e>Fe2-(aq 0.770 V Fe2 (aq) 2e>Fe(s E°-0.409 v Calculate the equilibrium constant (K) for the disproportionation of Fe2(aq) at 25 °C. Submit Answer 5 question attempts remaining
The following standard reduction potentials have been determined for the aqueous chemistry of bismuth: Bi3+(aq) + 2e- ------------------------------------------------------> Bi+(aq) E° = 0.200 V Bi+(aq) + e- ------------------------------------------------------> Bi(s) E° = 0.500 V Calculate the equilibrium constant (K) for the disproportionation of Bi+(aq) at 25 °C. 3Bi+(aq) <----------------------------------------------> 2Bi(s) + Bi3+(aq) K =______________________________________
Part A - Combining Equilibrium Expressions Given the equilibrium constants for the following two reactions in aqueous solution at 25°C HNO2 (aq) = H+(aq) + NO2 (aq) Kc = 4.5 x 10-4 H2SO3(aq) = 2H+(aq) + SO32- (aq) Kc = 1.1 x 10-9 what is the value of K, for the reaction 2HNO2 (aq) + SO32- (aq) = H2SO3(aq) + 2NO2 (aq) O 4.9 10-13 O 5.4 x 10-3 O 1.8 x 102 O O 4.1 x 105 8.2 x...
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Calculate the equilibrium constants of the following reactions at 25°C from standard potential data (a) Sn(s) Sn+(aq)2 Sn2+(aq) 1.54e-10 (b) Sn(s) + 2 AgCl(s)SnCl2(aq) + 2 Ag(s) 2.04e18
What is the pH of a solution of 0.750 M KH2PO4, potassium
dihydrogen phosphate? thanks!!
At 25 C phosphoric acid, H3PO4, has the following equilibrium constants: H30+ (aq) + H2 PO4 (aq) H30+ (aq) + HP042-(aq) Kal 7.5 x 10-3 Ka2=6.2×10-8 Kas4.2 x 10-13 H, PO4 (aq) + H20(1) H,PO4-(aq) + H2O(1) 근 HPO(a)+H2O()HO (a)P (aq) ▼ Part A
At 25 C phosphoric acid, H3PO4, has the following equilibrium constants: H30+ (aq) + H2 PO4 (aq) H30+ (aq) + HP042-(aq)...
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The value of K for the reaction of acetic acid with ethanol is 3.4 at 25°C: CH,CO,H(soln)+ C H5OH(soln) - CH,CO,CHs (soln) + H2O(soln) K = 3.4 Acetic acid Ethanol Ethyl acetate Part A How many moles of ethyl acetate are present in an equilibrium mixture that contains 3.6 mol of acetic acid, 6.2 mol of ethanol, and 11.7 mol of water at 25°C?...
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6. Calculate the equilibrium constant at 25°C for the following reaction: Cd(s) + Sn** (aq) → Cd²+ (aq) + Sn(s) K = 6.3 x 108