Across
- 2. Reactions that release heat into its surroundings (-ve kJ/mol, e.g. hot to touch)
- 5. For a reaction to be spontaneous, ΔG must be…
- 7. The first word of a cycle of enthalpy change which involves formation and lattice enthalpy
- 10. The issue which occurs when not enough oxygen is provided to a flame (2 words no space)
- 11. The apparatus used to measure enthalpy change with water
- 13. ΔH when 1 mol compound FORMED from its elements (st. conditions & st. state)
- 14. The first word of the law which states that the total enthalpy change during the complete course of a chemical reaction is independent of the sequence of steps taken
- 16. Enthalpy ΔH when 1 mol COVALENT bonds are BROKEN into its gaseous form (st. conditions & st. state)
- 20. A state of matter with low entropy
- 21. The quantity of heat absorbed per unit mass of the material when its temperature increases by 1K (3 words no space)
- 22. Measurement of disorder
Down
- 1. ΔH when 1 mol gaseous atoms is FORMED from its elements (st. conditions & st. state)
- 2. Reactions that absorb heat from their surroundings (+ve kJ/mol, e.g. cold to touch)
- 3. A common exothermic reaction
- 4. ΔH when an acid and an alkali react to form 1 mol H2O (st. conditions & st. state)
- 6. ΔH when 1 mol of substance is burned completely in excess oxygen (exothermic)
- 8. A reaction that occurs without the constant input of energy
- 9. The man who invented the Second Law of Thermodynamics (2 words no space)
- 10. ΔH when 1 mol e- removed from 1 mol gaseous atoms to form 1 mol +ve cations (st. conditions & st. state)
- 12. energy Minimum energy molecules need to have in order to react (2 words no space)
- 14. ΔH when 1 mol SPECIFIED GASEOUS ION dissolved in water to form an infinitely dilute solution
- 15. The sum of the internal energy and the product of the pressure and volume of a thermodynamic system
- 17. A state of matter with high entropy
- 18. ΔH when 1 mol e- added to 1 mol gaseous atoms to form 1 mol +ve anions (st. conditions & st. state) (2 words no space)
- 19. ΔH when 1 mol IONIC compound is BROKEN into its constituent gaseous ions --> endothermic (+ve ΔH)
- 20. ΔH when 1 mol solute is dissolved in a solvent to form an infinitely dilute solution (st. conditions & st. state)
