Chemical Reactions Flashcards

A process during which chemical bonds between atoms are broken and new ones are formed, producing one or more different substances.

The starting materials in a chemical reaction.

The new substances that are formed in a chemical reaction.

<p>A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products.</p> Signup and view all the answers

<p>It tells how many atoms, molecules, or formula units take part in a reaction.</p> Signup and view all the answers

<p>It tells how many atoms of an element are contained in one molecule or formula unit.</p> Signup and view all the answers

<p>A reaction where energy is released.</p> Signup and view all the answers

<p>A reaction where energy is absorbed.</p> Signup and view all the answers

<p>A condition in which different elements are equal or in the correct proportions.</p> Signup and view all the answers

<p>A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light.</p> Signup and view all the answers

<p>A chemical reaction in which two or more reactants combine to produce a single product.</p> Signup and view all the answers

<p>A reaction in which a single compound breaks down to form two or more simpler substances.</p> Signup and view all the answers

<p>A chemical reaction in which one element replaces another element in a compound.</p> Signup and view all the answers

<p>A reaction in which a gas, a solid precipitate, or a molecular compound forms from the exchange of ions between two compounds.</p> Signup and view all the answers

<p>A solid that forms from a solution during a chemical reaction.</p> Signup and view all the answers

<p>A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust.</p> Signup and view all the answers

<p>Any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen).</p> Signup and view all the answers

<p>A spontaneous chemical reaction in which there is a net release of free energy.</p> Signup and view all the answers

<p>This reaction absorbs free energy from its surroundings and is nonspontaneous.</p> Signup and view all the answers

<p>A substance that initiates or accelerates a chemical reaction without itself being affected.</p> Signup and view all the answers

<p>A material that decreases the rate of a reaction.</p> Signup and view all the answers

<p>A system developed by Carlos Linnaeus that gives every organism two names, including the genus and the species.</p> Signup and view all the answers