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For the experiment of synthesizing hexaaminecobalt(III) and pentaaminechlorocobalt(III), what is the origin of the color difference between these two complexes?
Compute the molar repulsion energy between two nitrogen's nuclei if they are separated by 1.1 Angstroms assume that no electrons are present.
The freezing point (Tf) for t-butanol is 25.50°C and Kf is 9.1°C/m. Usually t-butanol absorbs water on exposure to the air. If the freezing point of a 9.2-g sample of t-butanol is measured as 24.59°C, how many grams of water are present in the sam..
a mixed aqueous solution of hcl and phosphorous acid h3po3 ka1 3.00times10-2 ka2 1.66times10-7 is titrated with
Ammonium chloride is placed in a closed vessel as well as allowed to come to equilibrium according to the equation- NH4Cl(s)↔NH3(g) + HCl(g). If the Kp for the system at 200oC is 0.25, Explain what is the pressure inside the vessel
at 350 degrees celcius and 200 atm the % yield is 50%. Calculate how many grams of N gas are required to produce 25.000g Ammonia
Write the condensed structural formula of the following compounds- cyclopentane, Heptane, 4 methyl 2 pentene and 6 ethyl 5,5 methyl 3 octyne.
How many moles of PCl_5 can be produced from 21.0 g of P_4 and excess Cl_2?
Intended for the reaction O2(g) + 2Hg(s) 2HgO(s), delta Ho = -20.2KJ/mol and delta So = -73.1J/K.mol. Which of these statements is true
Compute the final temperature of solution when 12 g of oxalic acid (COOH)2(s), is dissolved in 113.0mL of water that is initially at 16 C. Explain the enthalpies of formation of oxalic acid in the solid as well as aqueous phases are -826.8 and -81..
If the heat of combustion for a specific compound is -1040.0 kJ/mol as well as its molar mass is 78.87 g/mol, explain how many grams of this compound must you burn to release 333.90 kJ of heat
Compute the pH at the equivalence point for the titration of 0.150 M methylamine (CH3NH2) with 0.150 M HCl. Define the Kb of methylamine is 5.0× 10-4.
In photosynthesis, plants form glucose and oxygen from carbon dioxide and water. calculate delta H, delta S and delta G of the reaction. Delta H is 2800.
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