Unit 9 Vocab
Across
- 1. if a process can be represented as the sum of several steps, the enthalpy change of the process equals the sum of the enthalpy changes of the steps
- 4. intensive property of a substance that represents the quantity of heat required to raise the temperature of 1 gram of the substance by 1 degree Celsius (or 1 kelvin)
- 9. extensive property of a body of matter that represents the quantity of heat required to increase its temperature by 1 degree Celsius (or 1 kelvin)
- 12. device used to measure the amount of heat absorbed or released in a chemical or physical process
- 13. energy of a particle or system of particles derived from relative position, composition, or condition
- 14. energy of a moving body, in joules, equal to 1/2đť‘šđť‘Ł^2 (where m = mass and v = velocity)
- 18. process chemical reaction or physical change that releases heat
- 20. change heat released or absorbed by a system under constant pressure during a chemical or physical process
Down
- 2. heat released when one mole of a compound undergoes complete combustion under standard conditions
- 3. transfer of thermal energy between two bodies
- 5. sum of a system’s internal energy and the mathematical product of its pressure and volume
- 6. unit of heat or other energy; the amount of energy required to raise 1 gram of water by 1 degree Celsius
- 7. law of thermodynamics internal energy of a system changes due to heat flow in or out of the system or work done
- 8. energy required to separate one mole of an ionic solid into its component gaseous ions
- 10. process of measuring the amount of heat involved in a chemical or physical process
- 11. total of all possible kinds of energy present in a substance or substances
- 15. capacity to supply heat or do work
- 16. energy transfer due to changes in external, macroscopic variables such as pressure and volume; or causing matter to move against an opposing force
- 17. unit of energy;
- 19. energy energy required to break a covalent bond in a gaseous substance