Answers edited by Chuck W.

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• Question #dc3c2
  
• Question #4cd90
  
• What mass of oxygen gas can be be produced when 1.15 g sodium peroxide reacts with excess water?
  
• How can I calculate the molarity of a saturated solution?
  
• What is a galvanic cell made of?
  
• How does pH affect the change in free energy for a reaction?
  
• Question #cd9d1
  
• How does the boiling point of a liquid evolve if a non-volatile solute is added?
  
• How does the degree of dissociation affect ka?
  
• How does a solute affect the freezing point?
  
• Question #e35ee
  
• Question #6f539
  
• How do you do gas stoichiometry problems at STP?
  
• Question #b2485
  
• Question #cd9d5
  
• Question #6b066
  
• Why is the ideal gas law useful?
  
• How does molality affect the boiling point?
  
• Question #3d61b
  
• How do elements make up compounds?
  
• How does delta G affect keq?
  
• What is the law of mass action? What determines the direction of a chemical reaction in a formula equation?
  
• How can I calculate delta G of a reaction?
  
• How is the equilibrium constant related to Gibbs free energy?
  
• 0.10 mol of solid sodium hydrogen carbonate and 0.20 mol of solid sodium carbonate are dissolved in the same beaker of water, transferred to a volumetric flask and made to 250.0 mL. The Ka for HCO3 - is 4.7 x 10-11. What is the pH of the resulting buffer?
  
• Which of the following molecules has a dipole moment? CCl4, H2S, CO2, BCl3, Cl2
  
• If the frequency of a wave is 2.0 cycles per second and its speed is 0.04 meter per second,what is the wavelength of the wave?
  
• What is unit conversion?
  
• How do you convert grams to mole?
  
• Why is enthalpy an extensive property?
  
• Question #2add8