ENTROPY

• WHAT IS A FEASIBLE REACTION?

  reaction taking place of their own accord (spontaneous)
• WHAT ARE MOST FEASIBLE REACTIONS?

  exothermic (negative enthalpy change) and positively entropic (positive entropy)
• WHAT IS ENTROPY?

  tendency to disordering
• WHAT STATES HAVE THE HIGHEST TENDENCY TO DISORDER?

  gas > liquid/ aqueous > solid
• UNITS OF ENTROPY?

  JK^-1mol^-1
• HOW TO CALCULATE ENTROPY CHANGE?

  entropy of products - entropy of reactants