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- Select the incorrect reaction. NH2 1. NaNO2, HCI 2. CuCN a CN O b. NO2 NH2 Sn Oc Br H₂N Ph NaBH₂CN HCI Br HN Ph O d. се 忌 CN 1. KOH NH 2. Br Ph 3. KOH, H₂O 1. LAH 2. H₂O J H2N 'N3. Complete the following reactions. (If the reaction doesn t occur, ple _H.SO, (aq) + _NAOH (aq) _C.H: (g) +_0: (g) KCI (aq) + AGNO: (ag) Zn (s) + CuSO, (aq)- _HBr (aq) +_N2OH (ag) CH12O6 (aq) +_O: (g) CuSO, (aq) +_K.CrO, (aq) _Mg (s) +_0: eThe reaction A(aq) + B(aq) C(aq) + D(aq) has a ΔHrxn = -85 kJ/mol. This reaction is endorthermic or exothermic . If the temperature of the reaction mixture is increased, equilibrium will shift towards the reactans or products. This change will decrease or increase the concentration of the reactants and K will increase or deacrease
- A. %Na2B4O7 B. %Na2B4O7• 10H20 C.%B2O3 D. %BHow much heat is released if 522 mL of 1.25 M HCl was mixed with 355 mL of 2.50 M NaOH? heat of neutralization = -56.2 kJ/mol?a. 36.7 kj b. 99.8 kj c. 49.9kj d. 73.3 kj30jud to 28AM basu mw 5. Sodium carbonate is a reagent that may be used to standardize acids in the same way that you have used KHP in this experiment. In such a standardization it was found that a 0.498-g sample of sodium carbon- ate required 23.5 mL of a sulfuric acid solution to reach the end point for the reaction.