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?