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• Use half-cell potentials to calculate #K_(eq)# for the reaction below?
  
• Question #d9ce7
  
• How is the Henderson-Hasselbalch equation used to calculate the ratio of #H_2CO_3# to #HCO_3^-# in blood having a pH of 7.40?
  
• Consider a weak acid #"HA"#, where #"A"^(-)# is some arbitrary anion and #"HA"(aq) + "H"_2"O"(l) rightleftharpoons "H"_3"O"^(+)(aq) + "A"^(-)(aq)#. Suppose you add some #"NaA"(s)# to #"H"_2"O"(l)#. What is the pH of the solution?
  
• Calculate the amount of energy evolved (in kJ) when 2.50 mg of 2H undergoes fusion according to the equation below. 2H + 3H = 4He + 1n ?
  
• How do chemists use the ideal gas law?
  
• Nuclear Chemistry and Half-life calculations?
  
• Question #ebcac
  
• Which one of the elements with following outer electronic configurations may exhibit the largest number of oxidation states?
  
• A solution contains 85.0g of NaCl, and has a volume 750mL. What is the molarity of the solution?Molar mass of NaCl=58.44g/mol
  
• An air sample contains 0.038% #CO_2#. If the total pressure is 758 mm Hg, what is the partial pressure of #CO_2#?
  
• How do you determine if a molecule is linear?
  
• What is the ¥w for pure water and for solution and for solute or water pot for solution with more solute present will be :?
  
• How do you calculate the ionization energy of an element?