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Oxalate ion, C2O4 2-, and permanganate ion,MnO4 -1,react in aqueous basic solution to give carbonate ion, CO3 2-, AND solid manganese dioxide,MnO2. What is the complete and balanced equation
An electric power station annually burns 3.6 107 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP
If a nonvolatile, yellow crystalline solid sample of 0.351 g is dissolved in benzene (C 6 H 6 ) of 15.8 g formed a solution. this solution freezes at the temperature of 4.77 degree celsius.
Identify the Lewis acid and Lewis base that lead to the formation of the following species: (a) AlCl4-, (b) Cd(CN)4 2-, (c) HCO3-, (d) H2SO4
Calculate the heat of neutralization when it is given that : heat capacity of the calorimeter =28.7 J/oC ,the specific heat of the mixture =4.184 J/goC, density of the solution =1.02 g/mL.
what mass of solid La(IO3)3 is formed when 50 ml of 0.250 M La are mixed with 75.0 ml of 0.302 M IO3-
If more NH4HS is added to a flask in which this equilibrium exists, how is the equilibrium affected? What is some additional NH3 is placed in the flask? What will happen to the pressure of NH3 if some H2S is removed from the flask?
Identify the group of elements that corresponds to the following generalized electron configuration: [noble gas]ns^2(n-2)f^6?
mixed in water and treated with 53.20 mL of 0.1030 M I2 (253.80amu) according to the equation C6H8O6 (s) + I2 (aq) ----> C6H6O6 (aq) + 2HI (aq)
Water molecules change their states between the liquid and gaseous states. A.only when water vapour is saturated B.at all times becauseevaporation and condensationoccur any time C
Calculate the molar concentration of NaNO3 and the mass percent of NaNO3 in the solution. What is the mole fraction of NaNO3 in the solution?
Consider a 0.53 M solution of each of the following salts in distilled water. Will the solution be acidic, neutral, or basic? You may need to reference a table of Ka and Kb Tables values
Assuming that the atoms are spheres in contact along the face diagonal, what is the radius of a Ar atom (in Angstroms)? An angstrom = 10-10 m or 10-8 cm.
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