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Why are acidic substituents on the aromatic rings helpful in conducting the suzuki coupling reaction in water? Please explain why it helps.
15.0 mL of 0.400 M Hno3 Solution is titrated with 0.600 M KOH solution . Calculate pH of the solution when12.0 mL of KOH is added ?
Calculate the heat released when 1.95 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
What is the total mass of bovine serum albumin (BSA) in 50 ml of BSA at 4% (wt./vol), given in milligrams? What is the answer in micrograms?
What purpose does Acetic Acid serve in the hypochlorite oxidation of cyclohexanol? What advantages does the hypochlorite oxidation offer over conventional methods such as chromium oxidation?
Solutions of AgNO3 and KCl are combined and 0.683 g of a precipitate are formed. What is the precipitate and how many moles were formed.
A student takes 148. g of BaCl2, and reacts it according to the following equation: 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?
A physiological saline solution contains 164 mEq/L each of Na+ and Cl-.How many moles each of Na+ and Cl- are in 0.500 L of the saline solution.
Calculate the wave-lenght for the following reactions: NO2 dissociating in NO and O2 and NO2 dissociating in N + 2O, given: DeltaHf: NO2
In an acid base titration a 25mL portion of a solution containing sulfuric acid (H2SO4) was titrated with a 0.200M NaOH(aq). write the chemical equation for this particular titration
A mixture of CaCO3 and CaO weighing 0.630 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.500 g.
The standard molar enthalpy change for this reaction is -1.3MJ. What is the enthalpy change when 6 moles of octane are combusted?
A student placed 13.0 g of glucose C6YH12O6 in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water
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