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A solution contains .294 M solution sodium cyanide and .0919 M hydrocyanic acid. What is the pH of this solution.
The reaction vessel is charged initially with SO3(g) and NO(g), each at a partial pressure of 0.500 atm. In the space below, enter the equilibrium the partial pressure of SO2(g) in units of atm
Calculate the standard enthalpy of the reaction, \Delta {{H}^\circ}_{\rm rxn}, for the thermite reaction: \rm 2Al(s) + Fe_2O_3(s) \rightarrow 2Fe(s) + Al_2O_3(s)
Calculate the molar concentration of OH- ions in a 7.5×10^-2 M solution of ethylamine C2H5NH2(Kb = 6.4x10^-4).
Calculate the [CH3CO2H] ionized in solution for 0.1M acetic acid knowing that ph= 2.9 [H+]= 1.26 x 10^-3 M , [OH-]= 7.94 x 10^-12 M
The acid solution gives no precipitate when treated with 0.1 M AgNO3. Identify the components of the solid. EXPLAIN.
For the reaction of phosphorous acid (H3PO3) and potassium hydroxide (KOH), write (a) the balanced molecular equation, (b) the ionic equation and (c) the net ionic equation.
Match each item in Column A with the corresponding item in Column B regarding the processes of nitrification and denitrification: Column A Column B a. NH4+ i. Electron acceptor for denitrification
since the soulutions are dilute, assume that all the solutions have the same density and specific heat capacity of water. the heat capacity of the calorimeter is insignificant.
Calculate the grams of potassium iodate, KIO3 (FM 214.00) required to react with 25.0mL of a 0.0700M solution of sodium thiosulfate, Na2S2O3
Calculate the vapor pressure of this solution at 25.0 degrees C. At this temperature, the vapor pressure of pure water is 23.8 mmHg.
what is the energy of a single UV photon and a mole of UV photons having a wavelength of 25 nm?
explain how the ligands of F-, NH3 and CN- bonded to CO3+ can result in a green, yellow-orange, and pale yellow color for these compounds, respectively
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