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- Given the reactionsHF(aq) ⇌ H+(aq) + F-(aq) Kc = 6.8 x 10-4H2C2O4(aq) ⇌ 2 H+(aq) + C2O42 - (aq) Kc = 3.8x 10-6determine the value of Kc for the reaction2 HF(aq) + C2O42 - (aq) ⇌ 2 F-(aq) + H2C2O4(aq)Given the reactionsHF(aq) ⇌ H+(aq) + F-(aq) Kc = 6.9 x 10-4H2C2O4(aq) ⇌ 2 H+(aq) + C2O42 - (aq) Kc = 3.8x 10-6 Determine the value of Kc for the reaction2 HF(aq) + C2O42 - (aq) ⇌ 2 F-(aq) + H2C2O4(aq)5. At 25°C, calculate the molar H3O+ and OH-1 concentrations of the following:c. 0.200 M C6H5COONa (sodium benzoate)d. 0.0860 M KOHe. 0.0689 M HCl
- What kind of reaction is 2NaOH + H2SO4 -----> Na2SO4 + 2H2OConsider this equation again: H2CO3 (aq) + H2O (l) double arrows HCO3- (aq) + H3O (aq) Ka of carbonic acid = 4.5 X 10-7 This reaction favors the products This reaction favors the reactants Neither the reactants or products are favored.n=1 rate = k [A]
- NH4Cl + CaSO4 → (NH4)2SO4 + CaCl2 Δ Hf NH4Cl = -311.730 Δ Hf CaSO4 = -1434.5 kJ/mol Δ Hf (NH4)2SO4 = -1180,9 kJ/mol Δ Hf CaCl2 = -795.4 kJ/mol What us What is the ΔH°f of the the reactant? What us What is the ΔH°f of the the product? What is the ΔH°rxn of this given reaction? Round your answers in 2 decimal places no need to write the unitWhat are the concentrations of OH-(aq), (CH3)2NH2+(aq), and (CH3)2NH in a 0.450M solution of dimethylamine? Kb = 7.40 x 10-4 (CH3)2NH + H2O ↔ (CH3)2NH2+ + OH I 0.450 0 0 C -x +x +x E 0.450 - xIs CaCl2 (aq) + Na₂CO₃ (aq) → CaCO3 (s) + 2NaCl (aq) reversible or irreversible reaction