Across
- 4. A common measuring unit for amount of a substance in chemistry.
- 9. The sum of all relative atomic masses of individual elements within a chemical molecule.
- 12. The temperature at which a solid substance changes its state into liquid.
- 19. A state of matter in which the particles are closely packed, resulting in the strongest intermolecular forces and a fixed shape and volume.
- 20. The mixture between the solute and the solvent.
- 21. The process of turning a substance from liquid state to solid state.
- 24. A measuring parameter which is defined as molar amount of a substance per a volume unit. Unit of this parameter is typically mol L–1 or M.
- 27. The original concentrated solution which is used as a source to prepare other diluted solutions (Hint: starting with letter s).
- 30. The process of turning a substance (solid, liquid compound) into individual gaseous atoms.
- 33. The ratio that show how many times a solution has been diluted.
- 35. Every other part of the universe around the system.
- 37. The temperature at which a liquid substance changes its state into gas.
- 39. The actual yield of product from a chemical reaction, which is obtained from experimental measurement.
- 40. A type of reaction in which energy is absorbed into the system from the surroundings (∆H > 0).
- 41. The highest point on the energy profile diagram.
Down
- 1. The anticipated yield of product from a chemical reaction, which is obtained from theoretical calculation, rather than from experimental measurement.
- 2. The process of turning a substance from liquid state to gas state.
- 3. the process of turning a substance from gas state to liquid state.
- 5. The amount of product produced at the end of a chemical reaction.
- 6. The substance that is dissolved into a solvent to produce a solution.
- 7. The process of turning a substance from solid state to liquid state.
- 8. The average energy to break one mole of a specific type of bond in a gaseous molecule.
- 10. The minimal amount of energy required to activate the reactants to initiate a reaction.
- 11. The reactant that is completed used up first in a chemical reaction is called _________ reactant? (Hint: starting with letter l).
- 13. The process of turning a substance from solid state to gas state without passing through liquid state.
- 14. The substance that can dissolve other substances to produce a solution.
- 15. The process of burning a chemical substance in presence of oxygen gas (Hint: starting with letter c).
- 16. A state of matter in which particles are far apart and move randomly, resulting in minimal intermolecular forces and neither a fixed shape nor a fixed volume.
- 17. A quantitative technique to measure heat change that occur during a physical or chemical process. This is done by using a calorimeter.
- 18. The process of turning a substance from gas state to solid state without passing through liquid state.
- 22. Heat content within a system. Symbol is H.
- 23. The numbers placed in front of chemical formulas in a balanced equation. These numbers indicate the compositional ratio of all the species involved in the reaction.
- 25. A type of reaction in which energy is released from the system into the surroundings (∆H < 0).
- 26. Another similar term for “deposition”.
- 28. 6.022×1023 is also known as the _________’s constant.
- 29. The action of making the concentration of a solution lower.
- 31. A specific part of the universe that is being measured or considered.
- 32. A state of matter in which particles are close together but can slide past one another, resulting in moderate intermolecular forces and a definite volume but with no fixed shape.
- 34. The mass of one mole of substance.
- 36. The study of quantitative relationships between reactants and products within chemical reactions (Hint: starting with letter s).
- 38. The reactant that is used in excessive amount in a chemical reaction is called _________ reactant? (Hint: starting with letter e).