In the reaction NaOH + H_2CO_3 rightarrow NaHCO_3 + H_2O, the weak base is a. NaOH b. H_2CO_3 c. H_2O d. NaHCO_3 Which pH value indicates a solution that has more hydrogen ions that hydroxide ions? a. pH 9 b. pH 4 c. ...
Why do soft drinks have a pH of 3? Why is stearic acid soluble in ethanol? Why is it not soluble in water? Why does methyl 4-hydroxobenzoate have a higher melting point than methyl salicylate? Why might the presence of benzoic acid be deleterious to the benzoin condensation? Give one ...
lupinacidins A and B, fromMicromonospora lupinifound in the roots of the plantLupinus angustifolius14. The speciesMicromonospora chalceawas reported from the roots of a cucumber plant that were observed to be producing antifungal agents against the phytopathogenPythium...
Why is concentrated sulfuric acid indicated as a liquid and no aqueous solution? Is conductivity an intensive or extensive property? Explain. Is oxalic acid more soluble in pure water or 70:30 water:dioxane? Explain. Why is pure water neutral? Give examples of weak and non-electrolytes. Why ...
Is benzoic acid or acetic acid more soluble in water? Explain. What is the purpose of the concentrated sulfuric acid in Pinacol rearrangement? Explain how bicarbonate and carbonate are related. What happens when acetic acid and citric acid are mixed? What is the purpose of reducing D-...
During laboratory chemical synthesis reactions, the final solid products must undergo important procedure before weighing the substance obtained. This process is purification, which is done in several ways such as distillation, crystallization, solvent extraction etc. ...
Which of these is the strongest acid? A. Carbonic acid (pKa=4.2x10-7) B. Phosphoric acid (pKa=7.5x10-3) C. Hydrofluoric acid (pKa=7.0x10-4) D .Benzoic acid (pKa=6.3x10-5) Which salts will be more soluble in an acidic solution than in pure water?
Explain why the C6 ring in cyclohexane is not planar. How would you separate toluene (C_6H_5CH_3), benzoic acid (C_6H_5CO_2H), and aniline (C_6H_5NH_2) by an extraction procedure? why does the extraction of aspirin by nahco3 generate a gas? Explain please E...
Explain why p-tert-butylphenol does not react with NaHCO3. Explain why ethanol (CH3CH2OH) is more soluble in water than is ethane (CH3CH3). Is ascorbic acid a carboxylic acid? Explain. Why would ethyl alcohol not be a good solvent to use with water in an ...
Solid NaHCO3 (67.60 g, 0.805 mol, 1.1 eq) was added in small portions and the mixture was stirred until gas evolution stopped. The free base was extracted into 2×800 mL ethyl acetate; the combined extracts were washed with 300 mL saturated brine and evaporated to give the title compound...