PPT-Chemical Reactions

Chemical Reactions Investigation One Chemical compounds are formed when two or more elements combine H ₂ O H₂O water Na Cl NaCl Sodium Chloride Salt Chemical Compounds. Chemical change. . Reactions with acid. . Reactions with oxygen . 7F. 7F Simple chemical reactions. Chemical change. . 7F Simple chemical reactions. 7F Chemical change – Changing materials. How many different materials can you see in this bedroom?. Theme: . Changes and Reactions . LecturePLUS Timberlake. 2. color. melting point. boiling point. electrical conductivity. specific heat. density . state (solid, liquid, or gas). . Synthesis reactions. Decomposition reactions. Single replacement reactions. Double replacement reactions. (Precipitate reaction). Chemical Reactions can be written as:. Word equation. Chemical equation. Add the new notes to your . table of contents. , and then turn to the next clean page and set up your title and date. Tape the two slides into your INB flat down, directly under your title - they do not need to flip up. By: Abby . Marstiller. , Paulina . Pullin. , Emily . Henline. What is a chemical reaction?. A chemical reaction involves the making or breaking of bonds between atoms. . The total number of atoms remains the same but the combinations are different. . 10.1 . Reactions and . Equations. Evidence of Chemical Reactions. ..  . The process of which the atoms of one or more substances are rearranged to form different substances is called a . Chemical Reaction. Chemical Reactions. A chemical reaction . is the process by which one or more substances change into one or more new substances.. Reactants . are the original substances in a chemical reaction.. Products . Charniauskaya. 2016-2017. Plan for the Unit. Writing . chemical . equations. Reactants vs. products, writing equations from word problems, . diatomics. , states of reactants/products (s, l, g, . aq. Chemical reactions. A . chemical reaction . is when one or more substances change into different substances. . Example . iron + sulfur .  iron (ii) sulfide + energy. Go to textbook Page 225. Read page 225 and write definitions for the following into your notes.. Grade Science. Bowling Green Junior High. What are chemical reactions?. Chemical Reaction. . – . a change that takes place when two or more substances (reactants) interact to form new substances (products) with new properties.. The key words are emphasized in bold . and there is a list of them at the end of the presentation. . Chemical Reactions. When a chemical reaction occurs, new substances (called . products. ) form from the substances taking part in the reaction (called . Synthesis Reaction. – combines two or more simpler reactants to form new, more complex products. .. N. N. O. O. O. O. N. 2. +. 2O. 2. 2NO. 2. +. Nitrogen. Oxygen. Nitrogen Dioxide. Simple to complex. What is a Chemical Reaction?. A Chemical reaction occurs when ever a chemical bond is formed, broken or rearranged.. A chemical reaction will always create a new substance.. Energy and Chemical Reactions. Write your answer in your. . science journal.. Quiz. 1. How . many molecules of oxygen gas in the reactant (O. 2. ) are needed to balance this equation?. CH. 4. + O. 2. → 2CO. 2. + 4H. 2. O.