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Which of the five cobalt complexes, [Co(NH3)5X]^y+ (where X is one of the five ligands, Br-, Cl-, F-, H2O, or NH3 and y is the magnitude of the positive charge) will absorb the shortest wavelength of light? Which will absorb the longest wavelength of light? What is the oxidation state of Co in each of these complexes?"
A 80.0 mL volume of 0.25 M HBr is titrated with 0.50 M KOH. Calculate the pH after addition of 40.0 mL of KOH.
Calculate the amount of heat required to raise the temperature of 72 g of H2O from 23 degrees celcius to 115 degrees celcius
determine the solubility of CO2 in soda water at 25 degreeC if the pressure of CO2 is 5.2 atm
What is the exact reaction mechanism of the hydrolysis of maleic anhydride with heat followed by adding a zinc catalyst
Nitrosyl bromide, NOBr, is 34 percent dissociated at 25 deg. C and the total pressure is 0.25 atm.
What volume of ammonia at 25 °C and 1.5 atm pressure is needed to produce 500 g of urea?
How many grams of magnesium chloride must be dissolved in 568 g of water to give a solution that freezes at -2.38°C
What is the basis for distillation techniques used to separate two or more components and If so, this would give me the four apparatus requested.
An aqueous solution is 13.0% by mass ethanol, CH3CH2OH, and has a density of 0.978 g/mL. The molality of ethanol in the solution is?
Compute the final temperature of the solution (assuming no heat lost to the surroundings ) the solution has a specific heat capacity = 4.18 J/°C·
calculate the number of moles of KOH in 5.50 mL of a 0.360 M KOH solution.What is the pOH of the solution?
When pentane C5H12 burns in oxygen, it produces carbon dioxide and water. If 85.5 g of pentane is burned, what voulume of carbon dioxide is produced at STP (The density of CO2 is 1.997 g/L.)
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