Across
- 2. amount of energy absorbed by system as heat during process at constant pressure (H = Hproducts - Hreactants)
- 7. minimum energy required to transform reactants into activated complex Ea
- 8. amount of energy required to raise temperature 1g by 1C or 1K (J/(g*K))
- 11. power to which reactant concentration is raised
- 14. action of a catalyst
- 15. slowest-rate step for the chemical reaction
- 16. overall enthalpy change in reaction is equal to sum of enthalpy changes for individual steps
- 17. S, simple qualitative way as a measure of the degree of randomness of particles
- 18. study of transfers of energy as heat, accompany chemical reactions & physical changes
- 19. measure of average kinetic energy of particles in sample of matter
- 20. change in concentration of reactants per unit time as reaction proceeds
- 22. enthalphy change that occurs during complete combustion of one mole of substance
- 23. energy transferred between samples of matter because of difference of temperature
- 24. △G = △H - T△S
Down
- 1. involve reactants in two different phases
- 3. species that appear in some steps but not in net equation
- 4. same phase as all reactant and products in reaction system
- 5. energy absorbed or released as heat in chemical or physical change
- 6. equation that relates rate and concentrations of reactants
- 9. reaction whose reacts and products exist in single phase
- 10. set of assumptions regarding collisions and reactions
- 12. reduces the activation energy for a chemical reaction
- 13. G, also known as Gibbs free energy
- 16. phase is different from that of the reactants
- 21. quantity of energy transferred as heat during a chemical reaction