Across
- 1. The movement of thermal energy from one object to another.
- 3. The branch of chemistry that deals with the energy changes in chemical reactions.
- 6. Energy stored in the bonds of chemical substances.
- 8. The total energy of the particles in an object due to their motion or position.
- 10. A reaction that absorbs heat from its surroundings.
- 12. A difference in the measure of how hot or cold something is.
- 14. A state where no net heat flow occurs between systems.
- 16. The science of measuring the heat of chemical reactions or physical changes.
- 17. States that the total enthalpy change in a reaction is the same, no matter how the reaction is carried out.
- 19. The transfer of energy through electromagnetic waves without the need for a medium.
- 21. Everything outside the system being studied in thermodynamics.
- 23. The amount of heat required to raise the temperature of one gram of a substance by one degree Celsius.
- 24. Energy transferred between substances due to a temperature difference.
- 25. The total heat content of a system.
Down
- 2. The minimum energy required to start a chemical reaction.
- 4. Heat transfer in a fluid through the movement of the fluid itself.
- 5. The transition of a substance from one state of matter to another, like solid to liquid.
- 7. A reaction that releases heat to its surroundings.
- 9. A measure of the average kinetic energy of particles in a substance.
- 11. Energy cannot be created or destroyed, only transformed.
- 13. A measure of disorder or randomness in a system.
- 15. The property of a material to conduct heat.
- 18. The transfer of heat through direct contact between molecules.
- 20. A unit of energy commonly used to measure food energy.
- 22. The part of the universe being focused on in a thermodynamic study.