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- The active ingredient in Antabuse, a drug used for the treatment of chronicalcoholism, is tetraethylthiuram disulfide The sulfur in a 0.4169-g sample of an Antabuse preparation was oxidized to SO2,which was absorbed in H2O2 to give H2SO4. The acid was titrated with 19.25 mLof 0.04216 N base. Calculate the percentage of active ingredient in thepreparation.7. Write defect equations for the following reactions: (a) MgO doped with Li₂O (b) Slight reduction of PrO₂ (c) TiO₂ doped with Ga₂03 (d) LaCoO3 doped with CaO (e) MgAl2O4 doped with V₂O3 to form Mg(Al2-xVx)204Calculate K1 for the reaction: Fe(s) + H2O(g) ⇔ FeO(s) + H2(g) K1 = ? given the following data: H2O(g) + CO(g) ⇔ H2(g) + CO2(g) K2 = 1.6 FeO(s) + CO(g) ⇔ Fe(s) + CO2(g) K3 = 0.67 Type your final answer to 2 decimal places.
- Give the correct organic product for the following reaction at – 78 °C: 1. Li*[AlH(OtBu),] CI 2. Н,О23. What is the correct form of the equilibrium constant Kc for the reverse reaction: N₂(g) + 3 H₂(g) = 2 NH3(g)? (A) Kc = [N₂][H₂]³ (B) Kc (C) Kc (D) Kc = (E) Kc = = 3 = 2[NH3] [N₂] + 3[H₂] [N₂] + 3[H₂] 2[NH3] 2 [NH3]² [N₂][H₂]³ 3 [N₂] [H₂]³ [NH3]²Given the following reaction 2Fe3+(aq) + H2C204(aq) + H20(i) = 2Fe2+(aq) + 2CO2(g) + 2H30+(aq) Explain:a. where does the balance shift?b. if more or less CO2 is produced in the following equilibrium when the concentration of Fe3+ increase
- If you reacted 4.85 g p-toluenesulfonic acid monohydrate with 2.00 g cobalt metal, [Co(H₂O)6](O3SC7H7)2? Give you what would be your theoretical yield in g of answer to two decimal places (no units are required).A dark blue complex is formed when triiodide is combined with starch. According to the equation: A. Is (aqg) + Starch (ag)→I2 - .Starch (ag) В. Is Starch (np + 25:0; (m)-31 (ng + S.Os (mo +Starch (w) C. Is (ag) + Starch (ah)→I3 - .Starch (aq) D. Is-.Starch (ag) -→ 31 (ng) + S406 2- (nq) +Starch (ag)A 20 mL volume of 0.015 M KIO3 containing an excess of KI, is added to a 0.312 g sample of a Real Lemon solution containing vitamin C. The Yellow-brown solution, caused by excess I2 is titrated to a colorless starch endpoint with 11.3 mL pf 0.106M Na2S2O3. - What is the equation for I2 * starch deep blue color disappearance?
- The solubility constant Ksp of Ag2CrO4 is related to its solubility in water (s) as KspThe electrophile in the following reaction is : 2Cr(acac)3 + 3Cu(NO3)2 2Cr(acac-NO2)3 O N20* O NO2* O NO3 O No* The product [Co(NH3)3 (NO2)al, after being crystallized, was washed with; O Water,ethylene chloride O Water,ether O Ethanol,ether O Ethanol,benzeneLigand A binds to protein P with a dissociation constant, Kd = 1.5 uM.(a) What concentration of A is required in order for half of P to be bound?Use the equation: [PA]/ PTot = [A]/ Kd+[A] b)What concentration of A is required for 90% of P to be bound?