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A 25.00 mL sample containing Fe3+ was treated with 10.00 mL of 0.0367M EDTA to complex all of the Fe3+ and leave excess EDTA in solution. The excess EDTA was then titrated, requiring 2.37 mL of 0.0461M Mg2+ standard solution.
An endothermic chemical reaction with ?E = +41 kJ/mol has an activation energy of +95 kJ/mol. What is the activation energy for the reverse reaction
Sucrose is a nonvolatile, non ionizing solute in water. Determine the vapor pressure lowering at 27C of a solution of 75g of sucrose dissolved in 180 g of water.
Did enzyme denaturing affect the active site? what amino acid residue in catalase would change by more basic PH
What is the high-T approximation for rotations and vibrations? For which of these two degrees of freedom do you expect this approximation to be genrally valid at room temperature?
Calculate the pH at the equivalence point in titrating 0.010 M solutions of each of the following with 0.081 M NaOH. (b) hypochlorous acid (HClO), Ka = 3e-08 pH = _?_ It's not 8.3
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295k and volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1 mL atm K^-1 mol..
Can someone draw this out for me Show how one might synthesize phenylacetone using toluene, NaCN, and any other necessary reagents.
calculate the pH of 50 ml of .15 M HCHO2 with 75 mL of .13 M NaCHO2
Write balanced net equations for the redox reactions that could occur when the following are mixed a) Ag1+ and Cu b) Cr2O7 2- and Pb c)Which of the two reactions in are extensive? Is it A, B, A and B, or Neither
Which ions were present in the original solution? What are the net ionic equations for each reaction that occured?
Sulfuric acid is mixed with aqueous sodium hydroxide to produce water and sodium sulfate. Liquid C6H12 is burned in air.
What is theoretical yield of nitrogen monoxide in grams d. How many moles of excess reactant remain e. What is the % yield of the reaction
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