Honors chem - Study guides, Class notes & Summaries

Honors Chemistry Semester 1 Final Review with Complete Solutions What is the term for a substance that speeds up a chemical reaction without being consumed? Catalyst What is the name of the number that represents the number of atoms in one mole of a substance? Avogadro’s Number What is the term for the amount of space an object or substance occupies? Volume What is the name of the process in which a liquid changes to a gas at temperatures below its boiling point? Evaporat...

Honors Chemistry ELEMENTS QUIZ 100% Pass What is the term for the substance that cannot be broken down into simpler substances by chemical reactions? Element What is the name of the element with the chemical symbol "O"? Oxygen What is the term for the elements in Group 18 of the periodic table, known for their lack of reactivity? Noble Gases What is the name of the element with the chemical symbol "Fe"? Iron What is the term for the elements that are good conduc...

Honors Chemistry Final Exam Review with Certified Solutions What is the term for the energy required to break a bond in one mole of a gaseous molecule? Bond Dissociation Energy What is the name of the rule that describes the filling of orbitals in an atom, stating that electrons occupy degenerate orbitals singly before pairing? Hund’s Rule What is the term for the temperature at which the vapor pressure of a liquid equals the external pressure? Boiling Point What is the ...

Honors Chemistry Chapters 1-3 Exam Questions And Answers 2024 Tests What is the definition of chemistry? ANS The study of the properties and transformations of matter What is the definition of matter? ANS Anything that has mass and occupies space-- things you can see, touch, taste, or smell What is the definition of a property? ANS A characteristic that can be used to describe a substance. Substances have both physical and chemical properties What is the definition of a transformati...

Honors Chemistry Unit 1 Questions with Verified Solutions What is the term for a substance that cannot be broken down into simpler substances by chemical means? Element What is the name of the negatively charged subatomic particle found in the outer regions of an atom? Electron What is the term fWhat is the name of the change in matter from a liquid state to a solid state? Freezing What is the term for the combination of two or more substances that are not chemically bonded? Mixtu...

Honors Chemistry Exam Questions with Correct Solutions Why can salt and sugar both dissolve in water, even though one is ionic and the other is covalent? A. Water is always cooler than the salt and sugar, allowing them to dissolve easily. B. Salt's ions and sugar's polar bonds are both attracted to the polar water molecules. C. Everything can dissolve in water because water is considered a universal solvent. D. There is enough space between the large water molecules to easi...

Honors Chemistry: Matter Test with Complete Solutions What is the term for a form of matter that has a definite shape and volume? Solid What is the name of the process where a liquid turns into a gas at its surface without boiling? Evaporation What is the term for a mixture where the composition is uniform throughout and the components are not visibly distinct? Homogeneous Mixture What is the name of the property that describes a substance’s ability to be hammered or roll...

Honors Chemistry Pre-Test Questions And Answers With Latest Quiz There is more traffic between 8 and 9 in the morning because most people start work at 9. This is a(n) A. observation B. hypothesis C. experiment D. theory E. all of the above ANS B. hypothesis 5.21 cm is the same distance as A. 0.0521 m B. 52.1 dm C. 5.21 mm D. 0.00521 km E. 5210 m ANS A. 0.0521 Which of the following measurements has three significant figures? A. 0.005 m B. 510 m C. 0.510 m D. 0.05...

Honors Chemistry: Matter Test Questions and Answers 100% Pass What is the term for the measure of the average kinetic energy of particles in a substance? Temperature What is the name of the physical property that describes how easily a substance can be hammered or rolled into thin sheets? Malleability What is the term for a mixture where the composition is uniform throughout and the different components are not easily distinguishable? Homogeneous Mixture What is the name o...

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...