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At pH 5-6, 7-amino-2-naphthol undergoes coupling at the 8-position, Explain why at pH 10 the coupling occurs at the 1-position.
What is the final temperature of the sand A 1.00 kg gold bar at 1010 K is dropped into 0.750 kg of sand at twenty five degree Celsius? (Assuming no heat is lost to the atmosphere,)
Give a set of variables that is sufficient to specify the thermodynamic state a homogeneous pure substance
The pH of 0.750 M sodium hypochlorite, NaClO, is 10.72. What is the pKb for this base?
Metabolic regulation is achieved via regulating enzyme activity in 3 ways: allosteric regulation, covalent modification, and enzyme synthesis/degradation
calculate the number of molecules present in each of the following samples.
Calculate the mass of water vapor produced when 6.00 L of propane (C3H8) gas undergo complete combustion at a temperature of 250C and a pressure of 1.00 atm.
suppose a buffer solution is made from formic and hcho2 and sodium formate nacho2. what is the net ionic equation for
The excess EDTA was then back-titrated, requiring 5.00 mL of 0.050 0 M Zn2. What was the concentration of Ni2 in the original solution?
Which is the limiting reagent in the reaction between Copper sulfate pentahydrate and ammonia?
Write a dissociation equation of AlCl3 showing its sepatation into aqueous ions.
A cylinder with a moveable piston contains 184mL of nitrogen gas at a pressure of 1.02atm and a temperature of 306 K. What must the final volume be for the pressure of the gas to be 1.52m atm at a temperature of 370 K
How much heat is absorbed by a 125g sample of water when it is heated from 25.200C to 32.800C? The specific heat of water is 4.184 J/g0C.
Calculate the ionic strength of a solution that is 0.05 mol/kg in Na3[Fe(CN)6](aq), 0.02 mol/kg NaCl(aq),
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