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Introduction to Matter
Terms in this set (48)
Anything that has mass and takes up space
Amount of space occupied by an object
the curve at a liquid's surface by which one measures the volume of the liquid
A measure of the amount of matter in an object
a measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe.
a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness
the ratio of the mass of a substance to the volume of the substance
a change of matter from one form to another without a change in chemical properties
a property of matter that describes a substance's ability to participate in chemical reactions
A change that occurs when one or more substances change into entirely new substances with different properties.
The amount of a substance (solute) that will dissolve in another substance (solvent) at a certain volume and temperature.
a substance that has the ability to be dissolved by a solvent to create a solution
In a solution, the substance in which the solute dissolves.
A change directly from the solid to the gaseous state without becoming liquid
Law of Conservation of Mass
the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
A procedure used to measure volume of a solid object by placing it in a known amount of liquid.
interaction between molecules that causes a chemical change, converting an existing substance into a new substance
a chemical change during which heat is absorbed
A chemical change during which heat is produced
a state of matter in which the atoms or molecules are free to move in random motion
States of matter
the physical forms of matter, which include solid, liquid, and gas
1. The sum of all the areas of all the faces or surfaces that enclose a solid. 2. The sum of all the areas of all surfaces of a solid.
A combination of two or more substances that are not chemically combined
A mixture in which different materials can be distinguished easily
A mixture in which substances are evenly distributed throughout the mixture
A substance that increases the hydrogen ion concentration of a solution.
Energy needed to get a reaction started
a basic substance; chemically, a substance that absorbs hydrogen ions or releases hydroxyl ions; in reference to natural water, a measure of the base content of the water.
A substance that decreases the hydrogen ion concentration in a solution.
substance that speeds up the rate of a chemical reaction
A measurement of how much solute exists within a certain volume of solvent
A type of protein that speeds up a chemical reaction in a living thing
The change of a substance from a liquid to a gas
Change from liquid to solid
the positive ion formed when a water molecule gains a hydrogen ion
negative ion made up of one atom of hydrogen and one atom of oxygen
A state of matter that has no definite shape but has a definite volume.
change from a solid to a liquid
hydrogen ion concentration
the negative logarithm of the hydroxide ion concentration
A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
rate of reaction
measure of how fast a chemical reaction occurs
An ionic compound made from the neutralization of an acid with a base.
completely dissociate in solution
A homogeneous mixture of two or more substances
A mixture in which particles can be seen and easily separated by settling or filtration
A measure of how hot (or cold) something is; specifically, a measure of the average kinetic energy of the particles in an object.
Dissociate partially in water
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