Across
- 6. What is the minimal amount of energy that must be applied to a system to initiate a chemical change
- 9. What is a substance that accepts a proton?
- 10. A substance that speeds up a chemical reaction, without undergoing any chemical change itself, is called
- 14. A substance that that can act as either a base or acid
- 15. Reactions that require larger amounts of activation energy are called
- 17. The transaction of a substance directly from gas to solid
- 18. What is the device used to measure the energy absorbed or released as heat in a chemical reaction?
- 19. Reaction where several reactants make a single product
- 20. What is the transition of substance directly from solid to gas called
Down
- 1. What is the point on a phase diagram in which two phases of a substance become indistinguishable from one another?
- 2. What process can be used to find the concentration of a solution by comparing it to a solution of known concentration
- 3. What is the measure of the average kinetic energy of the particles in a sample of matter?
- 4. Reactions that release heat
- 5. What is the change in heat of the products from the reactants called?
- 7. Reaction where one element trades places with another element.
- 8. Reaction where both elements in a reactant trade places
- 11. A substance that increases the concentration of hydrogen ions in an aqueous solution.
- 12. Law that states a direct relation between volume and temperature of a gas
- 13. Reaction where one reactant forms multiple products
- 16. - What is the total amount of energy called?