Questions asked by Al E.

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• Molarity and Ion Concentration: Two Questions?
  
• When 1.00 mol of each compound below is dissolved in enough water to yield a 10.0 L solution, which solution contains the greatest concentration of ions?
  
• When 2.00 L of 1.00 M of `AgNO_3` and 1.25 L of 1.00 M of `CaI_2` fully react, what is the molarity of `Ca^2+`?
  
• Thermochemical Analysis of Trinitroglycerin?
  
• If a `25.00g` piece of copper (`C_s = (0.385J)/(g*°C)`) at `115.0°C` is added to `50.00g` of water (`C_s = (4.184J)/(g*°C)`) at `25.00°C`, what is the final temperature once the object and water thermally equilibrate?
  
• Calculate the mole fraction of methanol in the vapor phase at `63.5°C` for an ideal solution containing `25.0g` of pure methanol and `75.0g` of pure ethanol?
  
• Raw milk sours in about 4 hours at `28°C` but in about 48 hours at `5°C`. What is the activation energy (in `(kJ)/(mol)`) for the souring of milk?
  
• What is the pH of a solution prepared by mixing 55.0 mL of 0.183 M `KOH` and 70.0 mL of 0.145 M `HC_2H_3O_2`?
  
• What is the ratio of `[Pb^2+]` to `[I^-]` in a saturated solution of `PbI_2`?
  
• Solubility Equilibria Regarding `AgCl(s)` and Complex-Ion Formation `Ag(NH_3)_2^+` Question?
  
• What is the rate law for this reaction?
  
• What are the concentrations of `H_2CO_3` and its conjugate bases in a raindrop with `pH = 5.90`?
  
• Calculate `DeltaG_f^°` of `CH_4` from the tabulated values?