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Water Properties
Term | Definition |
---|---|
Cohesion | The process by which hydrogen bonds hold water together. |
Adhesion | The clinging of one substance to another. |
Surface Tension | A measure of how difficult it is to stretch or break the surface of a liquid. |
Kinetic Energy | The energy of motion. |
Heat | A measure of the total amount of kinetic energy due to molecular motion in a body of matter. |
Temperature | A measure of the intensity of heat due to the average kinetic energy of the molecules. |
Calorie | The amount of heat it takes to raise the temperature of 1 gram of water by 1 degree Celsius. |
Kilocalorie | The amount of heat it takes to raise the temperature of 1 kilogram of water by 1 degree Celsius. |
Specific Heat | The amount of heat that must be absorbed or lost for 1 gram of the substance to change its temperature by one degree Celsius. |
Heat of Vaporization | The quantity of heat a liquid must absorb for 1 gram of the substance to be converted from a liquid to a gas. |
Evaporative Cooling | The process by which when liquid evaporates, the surface of the liquid remaining cools down. |
Solution | A liquid that is a completely homogeneous mixture of two or more substances. |
Solvent | The dissolving medium in a solution. |
Solute | The substance that is dissolved in a solution. |
Hydrophilic | Any substance that has an affinity for water. |
Hydrophobic | Any substance that repels water. |