Chemical reactions

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Across
  1. 1. – A ________________ reaction proceeds in one direction only.
  2. 4. reaction – A _________________ reaction converts products back into reactants.
  3. 5. – Substances that are formed on the right side of a chemical equation.
  4. 7. – This type of reaction absorbs heat energy.
Down
  1. 2. – A ___________________ reaction can proceed in either direction under appropriate conditions.
  2. 3. – This type of reaction releases heat energy.
  3. 6. – A ______________ reaction converts reactants into products.
  4. 8. – Substances on the left side of a chemical equation that undergo a change.