Honors Chemistry Unit 4 Test Questions
and Answers 100% Pass
What is the term for the amount of energy released or absorbed during the formation of one mole
of a compound from its elements in their standard states?
✔✔ Standard Enthalpy of Formation
What is the name of the process in which a substance dissolves in a solvent to form a
homogeneous mixture?
✔✔ Dissolution
What is the term for the bond angle in a molecule with a tetrahedral geometry?
✔✔ 109.5 Degrees
What is the name of the type of bond that involves the sharing of electrons between atoms in a
way that creates a strong attraction between them?
✔✔ Covalent Bond
1
, What is the term for the enthalpy change that occurs when one mole of an ionic compound is
dissolved in water to form an infinite dilution?
✔✔ Heat of Solution
What is the name of the law stating that the rate of a chemical reaction is proportional to the
concentration of the reactants raised to a power?
✔✔ Rate Law
What is the term for the distance between the nuclei of two bonded atoms in a molecule, which
determines the strength of the bond?
✔✔ Bond Length
What is the name of the principle that describes how the concentration of products and reactants
at equilibrium remains constant over time?
✔✔ Law of Chemical Equilibrium
What is the term for the reaction in which a metal reacts with an acid to produce a salt and
hydrogen gas?
✔✔ Single Displacement Reaction
2
and Answers 100% Pass
What is the term for the amount of energy released or absorbed during the formation of one mole
of a compound from its elements in their standard states?
✔✔ Standard Enthalpy of Formation
What is the name of the process in which a substance dissolves in a solvent to form a
homogeneous mixture?
✔✔ Dissolution
What is the term for the bond angle in a molecule with a tetrahedral geometry?
✔✔ 109.5 Degrees
What is the name of the type of bond that involves the sharing of electrons between atoms in a
way that creates a strong attraction between them?
✔✔ Covalent Bond
1
, What is the term for the enthalpy change that occurs when one mole of an ionic compound is
dissolved in water to form an infinite dilution?
✔✔ Heat of Solution
What is the name of the law stating that the rate of a chemical reaction is proportional to the
concentration of the reactants raised to a power?
✔✔ Rate Law
What is the term for the distance between the nuclei of two bonded atoms in a molecule, which
determines the strength of the bond?
✔✔ Bond Length
What is the name of the principle that describes how the concentration of products and reactants
at equilibrium remains constant over time?
✔✔ Law of Chemical Equilibrium
What is the term for the reaction in which a metal reacts with an acid to produce a salt and
hydrogen gas?
✔✔ Single Displacement Reaction
2
