Alphabetical
gas
[noun]
The state of matter characterized by its non-condensed nature and ability to flow. Unlike liquids, molecules within a gas remain far apart from each other and show little interaction with other molecules. Unlike solids, gases do not have fixed shapes and take the shape of their container (as do liquids). Compare with liquid and solid.
Appears in modules:
- Atmospheric Chemistry Research that Changed Global Policy The work of Mario Molina
- Atomic Theory I Detecting electrons and the nucleus
- Atomic Theory II Ions, neutrons, isotopes and quantum theory
- Carbon Chemistry Simple hydrocarbons, isomers, and functional groups
- Cellular Organelles I Endosymbiosis and membrane-bound organelles
- Chemical Bonding Ionic and covalent bonds and polarity
- Chemical Reactions Types of reactions and the laws that govern them
- Chemical Reactions II Reaction kinetics
- Circulation in the Atmosphere Earth's tilt, orbit, rotation, and the redistribution of energy
- Comparison in Scientific Research Uncovering statistically significant relationships
- Data Analysis and Interpretation Revealing and explaining trends
- Diffusion I Random molecular movement and influences on diffusion rate
- Early Ideas about Matter From Democritus to Dalton
- Earth's Atmosphere Composition, temperature, and pressure
- Energy Metabolism I Glycolosis and the Krebs cycle
- Factors that Control Earth's Temperature Energy from the sun and greenhouse gases
- Franklin Chang Díaz Propulsion pioneer for future generations of astronauts
- History of Earth's Atmosphere I The origin of the modern atmosphere
- History of Earth's Atmosphere II The rise of atmospheric oxygen
- Introduction to Descriptive Statistics Using mean, median, and standard deviation
- Kinetic-Molecular Theory Molecule collisions, the mean free path, and modern KMT
- Louis Tompkins Wright Surgeon, scientist, civil rights activist
- Mass Extinctions Major turning points in biodiversity
- Membranes I Structure and function of biological membranes
- Natural Hazards and Risk Where Earth processes and society intersect
- Nuclear Chemistry Radiation, half-life, and nuclear reactions
- Nuclear Chemistry I Radiation, half-life, and nuclear reactions
- Origins of Life I Early ideas and experiments
- Photosynthesis I Harnessing the energy of the sun
- Properties of Gases The gas laws and the ideal gas equation
- Properties of Liquids Intermolecular forces, cohesion, adhesion, and viscosity
- Scientific Institutions and Societies Types of institutions and their influence
- Solutions Molarity, solubility, and colligative properties
- States of Matter Kinetic molecular theory and phase transitions
- Stoichiometry The proportional nature of chemical reactions
- Substances Pure substances and mixtures
- The Carbon Cycle Geology, biology, and the impact of human activities
- The Hydrologic Cycle Reservoirs and fluxes of water on Earth
- The Mole and Atomic Mass Definitions, conversions, and Avogadro's number
- The Nitrogen Cycle Of microbes and men
- The Periodic Table of Elements II History and development
- The Periodic Table of Elements V Periodicity
- Thermodynamics I Caloric theory, latent heat, and the First Law of Thermodynamics
- Unit Conversion Dimensional analysis
- Using Graphs and Visual Data in Science Reading and interpreting graphs
- Water Properties and behavior
- Water in the Atmosphere The factors that influence evaporation and condensation
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