The force that a body subjected to the action of a force from another body exerts in the opposite direction. chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bonds between atoms, with no change to the nuclei, and can often be described by a chemical equation.
4. : the force that a body subjected to the action of a force from another body exerts in the opposite direction. 5. a (1) : chemical transformation or change: the interaction of chemical entities (2) : the state resulting from such a reaction b: a process involving change in atomic nuclei. 3. : the force that a body subjected to the action of a force from another body exerts in the opposite direction. 4 1 A physical change, such as a state change or dissolving, does not create a new substance, but a chemical change does. 2  In a chemical reaction, the atoms and molecules that interact with each other are called reactants. 3  In a chemical reaction, the atoms and molecules produced by the reaction are called products. 1 Draw an arrow after the second oxygen molecule to show that a chemical reaction is taking place. 2  Rearrange the atoms in the reactants to make the molecules in the products on the right side of the arrow. 3  Write the chemical formula under each molecule of the products. 4  Also draw a + sign between Usage: Reaction is used to refer both to an instant response (her reaction was one of amazement) and to a considered response in the form of a statement (the Minister gave his reaction to the court's decision). 4. reaction - (mechanics) the equal and opposite force that is produced when any force is applied to a body; every action has an equal and opposite reaction. mechanics-the branch of physics concerned with the motion of bodies in a frame of reference. In a synthesis reaction, two or more simple substances combine to form a more complex substance. These reactions are in the general form: Two or more reactants yielding one product is another way to identify a synthesis reaction. In the Broensted–Brønsted lowry–acid base, theory an-acid base reaction involves a transfer of (Protons +) h from one (species the) acid to (another the). Base when a proton is removed from an, acid the resulting species is termed that'acid s conjugate. base 1 In a chemical reaction, the atoms and molecules produced by the reaction are called products. 2  In a chemical reaction, only the atoms present in the reactants can end up in the products. 3  No new atoms are created, and no atoms are destroyed. 1 Draw an arrow after the second oxygen molecule to show that a chemical reaction is taking place. 2  Rearrange the atoms in the reactants to make the molecules in the products on the right side of the arrow. 3  Write the chemical formula under each molecule of the products. 4  Also draw a + sign betwee Share. Reaction Definition: A reaction or chemical reaction is a chemical change which forms new substances. Reaction Examples: The chemical reaction H 2 (g) + ½ O 2 (g) → H 2 O(l) describes the formation of water from its elements. Also Known As: Chemical Reaction, Chemical Change. By Anne Marie Helmenstine, Ph.D.  Full Definition of REACTION. 1. a: the act or process or an instance of reacting b: resistance or opposition to a force, influence, or movement; especially: tendency toward a former and usually outmoded political or social order or policy. 2. 3. : the force that a body subjected to the action of a force from another body exerts in the opposite direction. 4. a (1) : chemical transformation or change: the interaction of chemical entities (2) : the state resulting from such a reaction b: a process involving change in atomic nuclei. A chemical equation is a way to describe what goes on in a chemical reaction, the actual change in a material. Chemical equations are written with the symbols of materials to include elements, ionic or covalent compounds, aqueous solutions, ions, or particles.  In biochemistry, a consecutive series of chemical reactions (where the product of one reaction is the reactant of the next reaction) form metabolic pathways. These reactions are often catalyzed by protein enzymes. In the Broensted–Brønsted lowry–acid base, theory an-acid base reaction involves a transfer of (Protons +) h from one (species the) acid to (another the). Base when a proton is removed from an, acid the resulting species is termed that'acid s conjugate. base Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bonds between atoms, with no change to the nuclei (no change to the elements present), and can often be described by a chemical equation. In the Broensted–Brønsted lowry–acid base, theory an-acid base reaction involves a transfer of (Protons +) h from one (species the) acid to (another the). Base when a proton is removed from an, acid the resulting species is termed that'acid s conjugate. base
http://www.merriam-webster.com/dictionary/reaction http://www.middleschoolchemistry.com/lessonplans/chapter6/lesson1 http://www.thefreedictionary.com/reaction https://en.wikipedia.org/wiki/Chemical_reaction http://www.middleschoolchemistry.com/lessonplans/chapter6/lesson1 http://chemistry.about.com/od/chemistryglossary/a/reactiondef.htm http://www.merriam-webster.com/dictionary/reaction http://www.chemtutor.com/react.htm https://en.wikipedia.org/wiki/Chemical_reaction https://en.wikipedia.org/wiki/Chemical_reaction
what is a reaction