• Hess’s law allows us to indirectly calculate the heat of reaction for any reaction that occurs at standard conditions.
  • An enthalpy change that occurs specifically under standard conditions is called the standard ent Halpy (or heat) of reaction and is given the symbol.
  • The standard heat of.
  • reaction can be calculated by using the following equation.
  • The symbol “” signifies that each heat of formation must first be multiplied by its coefficient in the balanced equation.
  • Calculate the standard heat.
  • of reaction  for the reaction of nitrogen monoxide gas with oxygen to form nitrogen.
  • dioxide gas.
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