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- https://chem.libretexts.org/Courses/University_of_Kentucky/CHE_103%3A_Chemistry_for_Allied_Health_(Soult)/07%3A_Solids_Liquids_and_Gases/7.01%3A_States_of_MatterAnother way that we can describe the properties of matter is the state (also called phase). The amount of energy in molecules of matter determines the state of matter. Matter can exist in one of sever...Another way that we can describe the properties of matter is the state (also called phase). The amount of energy in molecules of matter determines the state of matter. Matter can exist in one of several different states, including a gas, liquid, or solid state.
- https://chem.libretexts.org/Courses/Prince_Georges_Community_College/CHEM_2000%3A_Chemistry_for_Engineers_(Sinex)/Unit_3%3A_States_of_MatterPrince George's Community College General Chemistry for Engineering CHM 2000 Unit I: Atoms Unit II: Molecules Unit III: States of Matter Unit IV: Reactions Unit V: Kinetics & Equilibrium Unit VI: Ther...Prince George's Community College General Chemistry for Engineering CHM 2000 Unit I: Atoms Unit II: Molecules Unit III: States of Matter Unit IV: Reactions Unit V: Kinetics & Equilibrium Unit VI: Thermo & Electrochemistry Unit VII: Nuclear Chemistry
- https://chem.libretexts.org/Courses/Howard_University/General_Chemistry%3A_An_Atoms_First_Approach/Unit_1%3A__Atomic_Structure/Chapter_1%3A_Introduction/Chapter_1.4%3A_A_Brief_History_of_ChemistryThis page outlines a general chemistry course focusing on atomic theory, molecular structure, stoichiometry, thermochemistry, states of matter, kinetics, equilibria, and materials. It highlights the d...This page outlines a general chemistry course focusing on atomic theory, molecular structure, stoichiometry, thermochemistry, states of matter, kinetics, equilibria, and materials. It highlights the development of atomic theory from ancient Greek thought to modern science, discussing key figures like Democritus, Robert Boyle, Joseph Priestley, and Antoine Lavoisier. It explains fundamental chemical laws, Dalton's atomic theory, Avogadro's hypothesis, and the law of multiple proportions.
- https://chem.libretexts.org/Courses/Brevard_College/CHE_104%3A_Principles_of_Chemistry_II/02%3A_The_States_of_Matter/2.01%3A_States_of_MatterAnother way that we can describe the properties of matter is the state (also called phase). The amount of energy in molecules of matter determines the state of matter. Matter can exist in one of sever...Another way that we can describe the properties of matter is the state (also called phase). The amount of energy in molecules of matter determines the state of matter. Matter can exist in one of several different states, including a gas, liquid, or solid state.
- https://chem.libretexts.org/Workbench/Survey_of_Chemistry_and_Physics/02%3A_Structure_of_Matter/2.01%3A_Classification_and_Phases_of_MatterMatter, i.e., anything that occupies space and has mass, and energy, i.e., the ability to do work are their forms and basic properties are described.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Book%3A_Introductory_Chemistry_Online_(Young)/02%3A_The_Physical_and_Chemical_Properties_of_Matter/2.2%3A_The_States_of_MatterAt low temperature, water exists as a solid (ice). As the temperature increases, water exists as a liquid, and at high temperature, as water vapor, a gas.These three forms of water represent the three...At low temperature, water exists as a solid (ice). As the temperature increases, water exists as a liquid, and at high temperature, as water vapor, a gas.These three forms of water represent the three states of matter: solids, liquids and gases. States of matter are examples of physical properties of a substance. Other physical properties include appearance (shiny, dull, smooth, rough), odor, electrical conductivity, thermal conductivity, hardness and density, to name just a few.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Chemistry_for_Allied_Health_(Soult)/07%3A_Solids_Liquids_and_Gases/7.01%3A_States_of_MatterAnother way that we can describe the properties of matter is the state (also called phase). The amount of energy in molecules of matter determines the state of matter. Matter can exist in one of sever...Another way that we can describe the properties of matter is the state (also called phase). The amount of energy in molecules of matter determines the state of matter. Matter can exist in one of several different states, including a gas, liquid, or solid state.
- https://chem.libretexts.org/Bookshelves/General_Chemistry/General_Chemistry_Supplement_(Eames)/Chemistry_Basics/LavoisierUnlike the Greek philosophers, he understood that this is a physical change, not a chemical change, and he has a good submicroscopic-scale intuition of what's happening: the particles of the material ...Unlike the Greek philosophers, he understood that this is a physical change, not a chemical change, and he has a good submicroscopic-scale intuition of what's happening: the particles of the material don't change, they just get further apart. For instance, in the experiment we just described, he measured the volume of gas in the bell jar, before and after the reaction, but noted that after the reaction, you must wait until the temperature returns to what it was when you measured originally.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/02%3A_Matter_and_ChangeThis page provides a comprehensive overview of fundamental concepts in chemistry and physics, including definitions of matter, mass, volume, and the distinctions between pure substances and mixtures. ...This page provides a comprehensive overview of fundamental concepts in chemistry and physics, including definitions of matter, mass, volume, and the distinctions between pure substances and mixtures. It discusses extensive and intensive properties, the three states of water, and differentiates between physical and chemical changes. Additionally, it covers types of mixtures, elements, compounds, and the indicators and significance of chemical reactions and symbols.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/20%3A_Entropy_and_Free_Energy/20.01%3A_EntropyThis page explains entropy as a measure of disorder in systems, illustrating that natural processes tend to increase disorder over time. It discusses how chemical reactions often lead to increased ent...This page explains entropy as a measure of disorder in systems, illustrating that natural processes tend to increase disorder over time. It discusses how chemical reactions often lead to increased entropy, especially when transitioning to gas or increasing temperature. The content provides examples of reactions that demonstrate changes in entropy, highlighting methods to predict whether entropy increases or decreases based on molecular states and quantities.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/13%3A_States_of_Matter/13.11%3A_MeltingThis page explains melting, defining the melting point as the temperature at which a solid becomes a liquid. It describes the behavior of solid particles, which vibrate and become more mobile with hea...This page explains melting, defining the melting point as the temperature at which a solid becomes a liquid. It describes the behavior of solid particles, which vibrate and become more mobile with heat, overcoming attractive forces. Examples include ice melting at 0 °C and sodium chloride at 801 °C. The text highlights the role of intermolecular forces in determining melting points and includes a table of various materials and their respective melting points.
