Chemistry 9701 · AS & A Level · Chemical energetics

Chemical energetics — practice question

In the table shown below, • '+' indicates that this form of standard enthalpy change can take only positive values, • '-' indicates that this form of standard enthalpy change can take only negative values, • '+/-' indicates that either positive or negative values may occur. Which row is right?

  • Aatomisation: +; formation: +; solution: +/-
  • Batomisation: +; formation: +/-; solution: +/-
  • Catomisation: -; formation: +/-; solution: -
  • Datomisation: -; formation: -; solution: +

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