객관식
Which of the following changes can occur in a substance as the energy of its particles decreases?
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- 1. Intro to General Chemistry4h 5m
- Classification of Matter18m
- Physical & Chemical Changes19m
- Chemical Properties7m
- Physical Properties6m
- Intensive vs. Extensive Properties15m
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- 2. Atoms & Elements4h 40m
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- 9. Quantum Mechanics3h 7m
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- 10. Periodic Properties of the Elements3h 49m
- The Electron Configuration27m
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- The Electron Configurations: Exceptions17m
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- 11. Bonding & Molecular Structure3h 54m
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- 12. Molecular Shapes & Valence Bond Theory2h 11m
- 13. Liquids, Solids & Intermolecular Forces2h 45m
- Molecular Polarity10m
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- The Colligative Properties17m
- Boiling Point Elevation18m
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- Osmosis21m
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- 15. Chemical Kinetics3h 2m
- 16. Chemical Equilibrium2h 31m
- 17. Acid and Base Equilibrium5h 5m
- Acids Introduction9m
- Bases Introduction7m
- Binary Acids15m
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- Bases14m
- Amphoteric Species5m
- Arrhenius Acids and Bases5m
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- Diprotic Acids and Bases8m
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- 18. Aqueous Equilibrium4h 47m
- Intro to Buffers21m
- Henderson-Hasselbalch Equation19m
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- Strong Titrate-Strong Titrant Curves9m
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- Titrations: Diprotic & Polyprotic Buffers32m
- Solubility Product Constant: Ksp17m
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- 19. Chemical Thermodynamics1h 51m
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- 21. Nuclear Chemistry2h 37m
- Intro to Radioactivity10m
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- Mass Defect19m
- Nuclear Binding Energy14m
- 22. Organic Chemistry5h 4m
- Introduction to Organic Chemistry8m
- Structural Formula8m
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- Skeletal Formula6m
- Spatial Orientation of Bonds3m
- Intro to Hydrocarbons16m
- Isomers11m
- Chirality12m
- Functional Groups in Chemistry11m
- Naming Alkanes4m
- The Alkyl Groups9m
- Naming Alkanes with Substituents13m
- Naming Cyclic Alkanes6m
- Naming Other Substituents8m
- Naming Alcohols11m
- Naming Alkenes11m
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- Naming Ketones5m
- Naming Aldehydes5m
- Naming Carboxylic Acids4m
- Naming Esters8m
- Naming Ethers5m
- Naming Amines5m
- Naming Benzene7m
- Alkane Reactions7m
- Intro to Addition Reactions4m
- Halogenation Reactions4m
- Hydrogenation Reactions3m
- Hydrohalogenation Reactions7m
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- Aldehydes and Ketones Reactions6m
- Ester Reactions: Esterification4m
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- Carboxylic Acid Reactions4m
- Amine Reactions3m
- Amide Formation4m
- Benzene Reactions10m
- 23. Chemistry of the Nonmetals2h 39m
- Main Group Elements: Bonding Types4m
- Main Group Elements: Boiling & Melting Points7m
- Main Group Elements: Density11m
- Main Group Elements: Periodic Trends7m
- The Electron Configuration Review16m
- Periodic Table Charges Review20m
- Hydrogen Isotopes4m
- Hydrogen Compounds11m
- Production of Hydrogen8m
- Group 1A and 2A Reactions7m
- Boron Family Reactions7m
- Boron Family: Borane7m
- Borane Reactions7m
- Nitrogen Family Reactions12m
- Oxides, Peroxides, and Superoxides12m
- Oxide Reactions4m
- Peroxide and Superoxide Reactions6m
- Noble Gas Compounds3m
- 24. Transition Metals and Coordination Compounds3h 19m
- Atomic Radius & Density of Transition Metals11m
- Electron Configurations of Transition Metals7m
- Electron Configurations of Transition Metals: Exceptions11m
- Paramagnetism and Diamagnetism10m
- Ligands10m
- Complex Ions5m
- Coordination Complexes7m
- Classification of Ligands11m
- Coordination Numbers & Geometry9m
- Naming Coordination Compounds22m
- Writing Formulas of Coordination Compounds8m
- Isomerism in Coordination Complexes17m
- Orientations of D Orbitals4m
- Intro to Crystal Field Theory10m
- Crystal Field Theory: Octahedral Complexes5m
- Crystal Field Theory: Tetrahedral Complexes4m
- Crystal Field Theory: Square Planar Complexes4m
- Crystal Field Theory Summary8m
- Magnetic Properties of Complex Ions9m
- Strong-Field vs Weak-Field Ligands6m
- Magnetic Properties of Complex Ions: Octahedral Complexes11m
8. Thermochemistry
Nature of Energy
객관식
Which type of energy is stored in chemical compounds and released during chemical reactions?
A
Electrical energy
B
Chemical energy
C
Kinetic energy
D
Thermal energy
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검증된 단계별 안내1
Understand that energy can exist in various forms such as electrical, kinetic, thermal, and chemical energy.
Recognize that chemical compounds store energy within the bonds between atoms; this energy is called chemical energy.
During a chemical reaction, these bonds are broken and new bonds are formed, which results in the release or absorption of energy.
Identify that the energy released during chemical reactions comes specifically from the chemical energy stored in the bonds of the compounds.
Conclude that the correct type of energy stored in chemical compounds and released during chemical reactions is chemical energy.
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