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The copper II ion gives a characteristic blue solution in water due to the formation of the hexaaquacopper(II) complex ion, Cu(H2O)6^+2 (aq), where 6 water molecules surround and bond octahedrally to the Cu^2+ ion. The H2O molecules above and below the equatorial plane are more loosely bound. For convenience this ion is often written as Cu^2+(aq) Addition of NaOH to the Cu^2+ (aq) solution causes a precipitate of Cu(OH)2
write a balanced equation regarding the information above
A certain sunstance, intially present at 0.0800 M, decomposes by zero-order kinetic with a rate constant of 2.50 x 10-2 mol/l s. Calculate the time (in seconds) required for the system to reach a concentration of 0.0630
if you have 380.00 ml of water at 25.00 degrees celcius.and add 130 ml of water at 95.00 degrees celcius, what is the final temperature of the mixture?
draw the structure of a compound C5H8O that reacts with 2,4-dinitrophenylhydrazine, decolorizes bromine in dichloromethane, but does not give a positive iodoform test.
As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.96 atm and a temperature of 25.0 C, what is the solubility of \rm N_2 in a diver's blood?
How many moles of bromine trifluoride are needed to react completely with 9.68 moles of titanium (IV) oxide?
draw a representation for TPCP that would represent its structure if the phenyls were perpendicular to the 5-membered ring (a paddle-wheel structure) and a representation that represents the propeller structure.
Determine the percent yield of barium sulfate If the actual yield = 0.456 grams?
If we assume that the volume change is due entirely to this density change (that is we neglect thermal expansion of the ice/water), what is the difference between the enthalpy change and the energy change during theis process? Is this a significan..
What is the pH of a solution of 25.0mL of 1.35x10-3M HCl(aq) that has been titrated with 10.73mL of 1.00x10-3M NaOH? Assume 25°C.
For the reaction D --> A + C when 1/[D] is plotted versus the time in seconds, a straight line is obtained whose slope is 0.017 M-1s-1. What is the concentration of D (in M) after 86.0 s if [D]o = 0.80 M?
What is the molarity of a solution containing 1.35 mol H2SO4 in 245 mL of solution
A buffer was formed by mixing 50.0 mL of 0.206M NH4Cl(aq) with 45.0 mL of 0.222M NH3(aq) {Kb (NH3) = 1.8 x10-5 } . What is the pH of this buffer solution?
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