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1.) What is the definition of a strong acid compared to that of a weak acid?
2.) Is it possible to have a pH for a weak acid that is lower than a pH for a strong acid (of different concentrations), why or why not?
Large quantities of hydrogen are needed for the synthesis of ammonia. One preparation of hydrogen involves the reaction between carbon monoxide and steam at 300 degrees Celsius in the presence of a copper-zinc catalyst
Calculate the concentration of IO3- in a 3.02 mM Pb(NO3)2 solution saturated with Pb(IO3)2. The Ksp of Pb(IO3)2 is 2.5 × 10-13. Assume that Pb(IO3)2 is a negligible source of Pb2 compared to Pb(NO3)
Balance the following oxidation-reduction reaction, in acidic solution, by using oxidation number method or the half-reaction method. KClO3 + HBr = Br2 + KCl +H2O
The Kb of ammonia is 1.8 x 10-5. What is the percent ionization of a solution of ammonia, 0.50 mol L-1 NH3, that contains 0.020 mol L-1 of ammonium nitrate, NH4NO3
Consider the coordination of Cu2+ by the tridentate iminodiacetate ligand, HN(CH2CO2-)2, abbreviated A2-. When the monoprotonated form
Draw out the Lewis structures for H2CO3, HCO3-, and CO32-. Then determine the maximum number of equivalent resonance structures for each species. Note that carbon is the central atom in all three cases.
A 0.1019g portion of an aspirin tablet was dissolved in sufficient water to prepare 1.000L of solution. A pipet was used to transfer 10 mL of the solution to a 100 mL volumetric flask. A 2 mL portion of 4 M NaOH (aq) was added to the flask, and th..
The solid and toluene together weigh 58.34 g. The density of toluene at the temperature of the experiment is 0.864 g/mL. What is the density of the solid?
Calculate the percent ionization of hydrazoic acid (HN3, Ka = 1.9x10^-5) in solutinos of the following concentrations. A) 0.400 M
If 2.5 mL of seawater contains about .0000000000058 moles of gold (Au), how many atoms of gold are in that volume of seawater
Write a balanced equation for the acid-base reaction between benzoic acid and KOH. Using a pKa table, predict which way the equilibrium is favored.
Confirm that the z-component of orbital angular momentum is a basis for an irreducible representation of A2 symmetry in C3v.
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