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Starting Materials: Sulfanilic acid, Sodium Carbonate (anhyrdous), B- Naphthol, Sodium 4-aminonaphthalene-1sulfonate, Sodium Nitrite, Hydrochloric acid (10%), Sodium Hydroxide (10%), Salicycic Acid
1. Why do you put sodium carbonate in sulfanilic acid. What form is the sulfanilic acid?
2. Why do you put HCl in ice?
3. Why should the diazonium salt stay cold. What would occur if it became to warm up to room temperature?
4. Why does coupling only occur between diazonium salts and activated rings?
At equilibrium, the flask containing the reacting mixture Ni(s) + 4 CO(g) --> Ni(CO)4(g) contains 232 torr CO, 1240 torr Ni(CO)4, and 1.82 g Ni at 510°C. What are the Kc and KP for this reaction
if 7.0 moles of sulfur atoms and 10 moles of oxygen molecules are combined to form the maximum amount of sulfur trioxide, how many moles of which reactant remain unused at the end?
If the solution has the same density and specific heat as water, what is ?H for this reaction (per mole of H2O produced)? Assume that the total volume is the sum of the individual volumes.
How many grams of solute are required to make a 147 mL solution of sodium hydroxide with a concentration of 0.5330 M.
If you start with 15.0 of a 0.900 solution of , and then dilute it with water to 270 , what is the concentration of at equilibrium?
if the initial concentration of the reactant in a first-order reaction A-> products is 0.64 mol/L and the half-life is 30.0 s. what is the concentration after 60 s.
Write a net ionic equation, including states for teh reaction of Cobalt (II) Chloride and Silver Nitrate 2. Circle the species in which nitrogen has the highest oxidation number
How many grams of cobalt(II) chloride are required to react completely with 60.0 mL of 0.200 M KOH solution?
How many grams of sulfur (S) are needed to react completely with 355g of mercury (Hg) to form HgS?
A major oil company has used a gasoline additive called MMT to boos the octane rating of its gasoline. What is the emperical formula of MMT if it is 49.5% C, 3.2% H, 22.0% O, and 25.2% Mn.
The gas with an initial volume of 24.0 L at a pressure of 565 mmHg is compressed until the volume is 16.0 L. What is the final pressure of the gas, assuming the temperature does not change?
Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16 , Ph=7.5
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