Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
Define Solvent |
The component of a solution that is present in the greatest amount. It is the substance in which thesolute is dissolved. |
|
|
Define Solute |
The substance that is dissolved in a solution. For solutions of fluids, the solvent is present in greater amount than the solute. |
|
|
Define Solution |
A solution is a homogeneous mixture of two or more substances. A solution may exist in any phase . |
|
|
Define Precipitate |
A precipitate is an insoluble solid that emerges from a liquid solution. The emergence of the insoluble solid from solution is called precipitation. Often the precipitate emerges as a suspension. |
|
|
Define Exothermic reaction |
An exothermic reaction is a chemical or physical reaction that releases heat. It gives out energy to its surroundings. The energy needed for the reaction to occur is less than the total energy released. |
|
|
Define Endothermic reaction |
A chemical reaction accompanied by the absorption of heat |
|
|
Define Chemical Change |
Chemical change is any change that results in the formation of new chemical substances. |
|
|
Define Physical Change |
Definition of Physical Changes. Substances often undergo changes that make them have a dramatically different appearance even though the chemical composition of the substance remains unchanged. |
|
|
Define Reactants |
A substance that takes part in and undergoes change during a reaction. |
|
|
Define Products |
The compounds that are formed when a reaction goes to completion. |
