Chapter 10 and 11- Vocabulary
Across
- 2. the energy that is transferred from on body to another because of temperature difference
- 4. a diagram showing the conditions at which a substance exists as a solid, liquid, or vapor
- 6. one of or more different molecular forms of an element in the same physical state
- 11. the heat released or absorbed during a chemical reaction
- 14. a heat absorbing process
- 17. the quantity of heat, in joules or calories, required to raise the temperature of 1 g of a substance 1 degree Celsius
- 21. a heat dissipation process
- 23. a substance in which that atoms, ions, or molecules are arranged in an orderly, repeating, three dimensional pattern called a crystal lattice
- 24. the conversion of a liquid to a gas or a vapor
Down
- 1. the force exerted by a gas per unit surface area of an object; due to collisions of gas particle with the object
- 3. a space where no particles of matter exist
- 5. the heat released during a chemical reaction in which one mole of a substance is completely burned
- 6. a term used to describe a solid that lacks an ordered internal structure; denotes a random arrangement of atoms
- 7. the point on a phase diagram that represents the only set of conditions at which all three phases exist in equilibrium with one another
- 8. energy is neither destroyed or created, in an ordinary chemical or physical process
- 9. the study of heat changes in chemical reaction
- 10. the heat content of a system at constant pressure
- 12. the quantity of heat required to change an objects temperature by exactly 1 degree Celsius
- 13. the energy an object has because of its motion
- 15. the temperature at which the vapor pressure of a liquid is just equal to the external pressure on the liquid
- 16. the temperature at which a substance changes from solid to a liquid; the melting point of water is 0 degrees Celsius
- 18. vaporizing that occurs at the surface of a liquid that is not boiling
- 19. a theory explaining the states of matter, based on the concept that the particles in all forms of matter are in constant motion
- 20. the SI unit of energy
- 22. the conversion of a solid to a gas or vapor without passing through the liquid state