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Water Property

H2O prop flashcards

TermDefinition
Boiling Point The point at which water in liquid form turns to vapor
Freezing Point The point at which water at liquid form turns solid
Specific Heat The heat required to raise the temperature of the unit mass of a given substance by a given amount. Usually measured by the amount of heat it takes to raise the temperature of 1 g of a substance 1 degree Celsius.
Melting Point The temperature at which a given solid will melt
Intermolecular Force Forces that act between stable molecules or functional groups of macromolecules
Molecule A group of atoms bonded together, representing the smallest fundamental until of a chemical compound that can take part in a chemical reaction.
Cohesion The attraction between water molecules
Adhesion Attractions between molecules with different molecular properties
Evaporation The process by which a liquid changes into a gas
Density Property of matter representing the mass per until of volume
Fresh Water Water that is not salty and has little or no taste, color, or smell. Most lakes and rivers are made up of fresh water.
Condensation Water vapor becoming a liquid
Precipitation Any type of liquid or solid water that falls to Earth’s surface, such as rain, snow, or hail.
Water Vapor Water in the form of gas
Surface tension The result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together.
Universal Solvent Water is this due to its polarity and ability to dissolve many different solutes.
Atom The basic unit of a chemical
Fahrenheit A scale of temperature on which water freezes at 32 degrees and boils at 212 degrees
Solute The component in a solution that is dissolved
Refraction The bending or turning of light waves when it passes thorough water
Reflection Projecting back an image through light without absorbing it
Ion An atom or group of atoms that has acquired an electrical charge by gaining or losing one or more electrons
Cation An ion or group of ions that have a positive charge
Anion An ion or group of ions that have a negative charge
Electrolyte A chemical compound that breaks into separate ions when it is dissolved to produce an electrically conductive product.
Conductivity Ability or power to conduct or transmit heat, electricity, or sound.
Polarity The condition of having poles or being aligned with or directed toward poles, especially magnetic or electric poles.
Controlled Variable Variables are quantities that scientists want to remain constant
Dependent Variable The variable that responds to the changes made
Independent Variable The variable that is changed by the scientist
Created by: eyoder
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