Across
- 4. the ratio between the amounts in moles of any two compounds involved in a chemical reaction
- 6. a substance that takes part in and undergoes change during a reaction
- 7. a chemical reaction in which one element is replaced by another in a compound
- 8. any chemical reaction that absorbs heat from its environment
- 10. a group of atoms behaving as a unit in a number of compounds
- 12. a chemical reaction in which one element is replaced by another in a compound
- 13. a type of chemical reaction that involves a transfer of electrons between two species
- 14. process of increasing the rate of a chemical reaction by adding a substance
- 15. the substance on which an enzyme acts
- 16. the artificial execution of chemical reactions to obtain one or several products
- 17. proteins that help speed up metabolism, or the chemical reactions in our bodies
- 18. rapid chemical combination of a substance with oxygen, involving the production of heat and light
Down
- 1. the symbolic representation of a chemical reaction in the form of symbols and formulae
- 2. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction
- 3. reaction for which the overall standard enthalpy change ΔH⚬ is negative
- 5. the species formed from chemical reactions
- 9. a technique that uses direct electric current to drive an otherwise non-spontaneous chemical reaction
- 11. a reaction in which a compound breaks down into two or more simpler substances