chemistry vocabulary chapter 3
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| material | used when referring to a specific kind of matter
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| mixture | matter that contains two or more different materials
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| phase | any region with a uniform set of properties
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| heterogenous mixture | mixture that is composed of more than one phase
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| interfaces | definite boundries that separate the different phases in a heterogenous mixture
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| homogenous | materials that consist of only one phase
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| solution | homogenous matter that is composed of more than one material
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| solute | dissolved material in a solution
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| solvent | dissolving material in a solution
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| substances | materials that are homogenous and always have the same composition
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| elements | substances that are composed of only one kind of atom
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| compounds | substances composed of more than one kind of atom
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| organic substances | compounds taht contain the element carbon
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| inorganic substances | elements and the compounds of all elements other than carbon
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| physical change | when the same substanec remains after the change
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| chemical change | when a new substance forms from after a change
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| precipitate | when a solid substance forms from a solution
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| physical property | description of the behavior of a substance udergoing a physical change
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| chemical property | describes the behavior of a substance undering a chemical change
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| extensive properties | depend on the amount of matter present
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| intensive properties | do not depend on the amount of matter present
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| system | piece of the universe under consideration
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| heat | energy transferred as a result of temperature difference
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| joule | derived SI unit rather than a base unit
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| endothermic | reaction when energy is absorbed
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| exothermic | reaction when energy is given off by a reaction
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| activation energy | minimum amount of energy for endothermic and exothermic reactions to start
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| calorimeter | device used to measure the energy given off or absorbed during chemical or physcial changes
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| specific heat | heat needed to raise the temperature of one gram of a substance by one celsius degree
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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