Across
- 5. heat / the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
- 6. / when a substance (or a few substances) change into another substance.
- 7. / the strength and vitality required for sustained physical or mental activity.
- 8. / a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
- 9. / equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour.
- 10. area / the area of such an outer part or uppermost layer.
- 12. / (of a reaction or process) accompanied by or requiring the absorption of heat.
- 13. rate / speed of reaction for a reactant or product in a particular reaction is intuitively defined as how quickly or slowly a reaction takes place.
- 15. / a substance that takes part in and undergoes change during a reaction.
- 16. energy / the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
Down
- 1. / The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch
- 2. / product is a new material formed in a chemical reaction.
- 3. of conservation of Mass / states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations
- 4. / the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
- 7. / (of a compound) formed from its constituent elements with a net release of heat.
- 11. / either of two units of heat energy.
- 14. / the process or result of oxidizing or being oxidized.