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Test Review

kills bacteria on goggles between labs germicidal monitor
a circular concave piece of glass used in chemistry. watch glass
This cannot be heated. We use either 10ml, 25ml, 50ml, or 100ml sizes for our labs. Used to find the volume of liquids. graduated cylinder
supports an orange or test tube clamp, so a bunsen burner can be used. ring stand
measures voltage, current, and resistance multimeter
A chemical reaction that releases energy by light or heat. exothermic reaction
A chemical reaction that absorbs energy from its surroundings. endothermic reaction
Change of a solid to a liquid melting
Temperature in which a substance changes from a solid phase to a liquid phase. melting point
Change from a liquid to a solid freezing
Temperature at which a substance changes from the liquid phase to the solid phase. freezing point
The liquid in which the solute is dissolved to form a solution solvent
This gets dissolved to make a solution solute
Process in which particles inside the liquid as well as those on the surface of the liquid change to a gas. boiling
Temperature at which a substance changes from the liquid phase to the gas phase boiling point
Change of gas to a liquid condensation
Change from a solid phase directly to a gas phase sublimation
Reversible changes in the properties of a substance. physical change
Process by which a substance becomes a new and different substance chemical change
Ex. of solid to gas dry ice
holding more solute than normal due to adding heat supersaturated solution
no more solute can be dissolved in the solution under normal circumstances. saturated solution
a liquid is below its freezing point without solidification or crystallization supercooling
ability of a substance, the solute, to dissolve in a solvent solubility
giving off heat while changing from a liquid to a solid exothermic phase change
absorbing heat while changing from a solid to a liquid endothermic phase change
a set of chemical symbols showing the elements present in a compound and their proportions chemical formula
simplest type of pure substance. Cannot be chemical broken down any further. element
made of one kind of material having definite properties pure substance
Created by: tthomps