IGCSE - Topic 5 - Energetics

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Across
  1. 2. The energy required to break one mole of bonds in a substance.
  2. 6. The transfer of thermal energy between substances due to a temperature difference.
  3. 7. A chemical reaction that absorbs heat energy from the surroundings.
  4. 9. The minimum energy required for a reaction to occur.
  5. 10. A device used to measure the heat released or absorbed in a chemical or physical process.
  6. 11. The total kinetic and potential energy of the particles in a substance.
  7. 12. The energy of motion.
Down
  1. 1. The enthalpy change when one mole of reactants reacts completely to form products under standard conditions.
  2. 3. Defined conditions for measuring enthalpy changes, including a pressure of 1 atm and a temperature of 298 K.
  3. 4. Stored energy that an object possesses due to its position or state.
  4. 5. The heat energy change at constant pressure in a chemical reaction.
  5. 8. A chemical reaction that releases heat energy to the surroundings.