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What elements are gases and liquids?
Do these lambda maxs indicate an increase or a decrease in the energy of the light absorbed as the number of EN ligands bound to Cu(II) increases
A 20.0mL sample of 0.20 M sodium acetate is titrated with 0.11 M HCL(aq). Explain what is the pH after the addition of 50.0mL HCl (aq). (Kb ofCH3CO2- = 5.6 ´10-10)
What happened when 6.0M HCl was added to the contents of the tube in 7a above?
If pure NOCL heated to 240C in 1 liter and at equilibrium the total pressure is 1 atm and the pressure of NOCL is .64 atm 2NOCL(g) 2NO(g) + CL2(g)
The phosphate ion forms insoluble precipitates with calcium and magnesium ions, removing them from solution. Suppose that a solution is 4.5×10?2 in calcium chloride and 8.5×10?2 in magnesium nitrate.
What would be the pH of a citrate buffer composed of 0.35 M citric acid (HCit) and 0.25 M sodium citrate. The Ka of citric acid
Problem- What would the potential of a standard Hydrogen (S.H.E) electrode be if it was under the following conditions
You heated 4.442 grams of baking soda in a crucible to produce 3.56 grams of a solid product. The product could be NaOH, Na2CO3, OR Na2O.
This liquid is then diluted with water to form liquid .sulfuric acid, H2SO4, as the only product in the reaction. Write a balanced chemical equation for the formation of sulfuric acid from H2S2O7 when diluted with water.
Calculate all the preceeding concentrations and the weight of biomass, {CH2O}, produced. Assume no input of atmospheric CO2.
If you pipetted 50.00mL sample of an unknown brime and titrated it with 37.64mL of 0.1024M of silver nitrate solution. Calculate the ppm of sait (NaCl) in the sample.
Question- The Ksp of metal hydroxide Mg(OH)2 is 1.20 x 10-11. 1) What is the solubility of this compound in g/L
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