Ch 4 Vocab

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Across
  1. 2. ion that does not undergo a chemical or physical change during a reaction, but its presence is required to maintain charge neutrality
  2. 6. substance added to the sample in a titration analysis to permit visual detection of the end point
  3. 8. quantitative chemical analysis method involving the separation of an analyte from a sample by a physical or chemical process and subsequent mass measurements of the analyte, reaction product, and/or sample
  4. 11. relationships between the amounts of reactants and products of a chemical reaction
  5. 12. volume of titrant solution required to react completely with the analyte in a titration analysis; provides a stoichiometric amount of titrant for the sample’s analyte according to the titration reaction
  6. 15. ratio of coefficients in a balanced chemical equation, used in computations relating amounts of reactants and products
  7. 16. substance that produces H3O+ when dissolved in water
  8. 18. reaction that produces one or more insoluble products; when reactants are ionic compounds, sometimes called double-displacement or metathesis
  9. 19. solution containing a known concentration of substance that will react with the analyte in a
  10. 20. the extent to which a substance may be dissolved in water, or any solvent
  11. 22. (also, oxidation state) the charge each atom of an element would have in a compound if the compound were ionic
  12. 24. amount of product formed in a reaction
  13. 25. reactant present in an amount greater than required by the reaction stoichiometry
  14. 33. process in which an element’s oxidation number is increased by loss of electrons
  15. 34. insoluble product that forms from reaction of soluble reactants
  16. 37. reaction involving the transfer of a hydrogen ion between reactant species
  17. 38. symbolic representation of a chemical reaction
  18. 39. (also, replacement) redox reaction involving the oxidation of an elemental substance by an ionic species
  19. 42. substance undergoing a chemical or physical change; shown on the left side of the arrow in a chemical
  20. 43. base that reacts completely when dissolved in water to yield hydroxide ions
  21. 44. acid that reacts only to a slight extent when dissolved in water to yield hydronium ions
  22. 45. of relatively high solubility; dissolving to a relatively large extent
  23. 46. vigorous redox reaction producing significant amounts of energy in the form of heat and, sometimes, light
  24. 47. reaction between an acid and a base to produce salt and water
  25. 48. substance that produces OH− when dissolved in water
  26. 49. an equation that shows whether each reactant loses or gains electrons in a reaction.
Down
  1. 1. number placed in front of symbols or formulas in a chemical equation to indicate their relative amount
  2. 3. (also, oxidant) substance that brings about the oxidation of another substance, and in the process becomes reduced
  3. 4. substance formed by a chemical or physical change; shown on the right side of the arrow in a chemical equation
  4. 5. the determination of the amount or concentration of a substance in a sample
  5. 7. of relatively low solubility; dissolving only to a slight extent
  6. 9. acid that reacts completely when dissolved in water to yield hydronium ions
  7. 10. measure of the efficiency of a reaction, expressed as a percentage of the theoretical yield
  8. 13. titration analysis quantitative chemical analysis method that involves measuring the volume of a reactant solution required to completely react with the analyte in a sample
  9. 14. (also, redox reaction) reaction involving a change in oxidation number for one or more reactant elements
  10. 17. reactant present in an amount lower than required by the reaction stoichiometry, thus limiting the amount of product generated
  11. 21. chemical equation in which all reactants and products are represented as neutral substances net ionic equation chemical equation in which only those dissolved ionic reactants and products that undergo a
  12. 23. gravimetric technique used to determine the elemental composition of a compound via the collection and weighing of its gaseous combustion products
  13. 26. chemical equation in which all dissolved ionic reactants and products, including spectator ions, are explicitly represented by formulas for their dissociated ions
  14. 27. ionic compound that can be formed by the reaction of an acid with a base that contains a cation and an anion
  15. 28. amount of product that may be produced from a given amount of reactant(s) according to the reaction stoichiometry
  16. 29. device used for the precise delivery of variable liquid volumes, such as in a titration analysis
  17. 30. measured volume of titrant solution that yields the change in sample solution appearance or other property expected for stoichiometric equivalence (see equivalence point)
  18. 31. chemical equation with equal numbers of atoms for each element in the reactant and product
  19. 32. process in which an element’s oxidation number is decreased by gain of electrons
  20. 35. chemical species of interest
  21. 36. (also, reductant) substance that brings about the reduction of another substance, and in the process becomes oxidized
  22. 38. or physical change are represented (excludes spectator ions)
  23. 40. base that reacts only to a slight extent when dissolved in water to yield hydroxide ions
  24. 41. than hydroxide or oxide