6.1 Flashcards
Chemistry
Study of matter and how it changes
Matter
Anything that has mass and takes up space
Physical Property
Characteristic of a substance that can be observed without changing the substance into another substance
Chemical Property
Characteristic of a substance that describes its ability to change into other substances.
Physical Change
Change that alters the the form or appearance of a substance but does not makes the substance into another substance.
Chemical Change
Produces one or more new substances.
reactants
substances that undergo change in a chemical reaction
products
new substances formed by the reaction
precipitate
is a solid that forms from solution during a chemical reaction
endothermic reaction
the total making and breaking of bonds result in a net absorption of energy.
exothermic reaction
the total making and breaking of bonds results in a net release of energy.
