1 / 7

Unit 7

Unit 7. Chemical Reactions. Chemical Equations. Reactants  Products. FeO 2 (s) + 2 H 2 (g )  Fe (s) + 2 H 2 O (l). NaCl ( aq ) + AgNO 3 ( aq )  AgCl (s) + NaNO 3 ( aq ). Chemical Equations.

abiola
Download Presentation

Unit 7

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Unit 7 Chemical Reactions

  2. Chemical Equations Reactants  Products FeO2 (s) + 2 H2(g)  Fe (s) + 2 H2O (l) NaCl (aq) + AgNO3 (aq)  AgCl (s) + NaNO3 (aq)

  3. Chemical Equations A chemical equation is a representation for a chemical reaction that uses chemical symbols and chemical formulas instead of words to describe the change that occurs in a chemical reaction. Reactants Products Mg + Cl2 MgCl2 2 Mg + O2 MgO Conservation of Matter! Remember that atoms cannot be created or destroyed!

  4. Balancing Chemical Equations Remember that atoms cannot be created or destroyed! Fe3O4 + H2 Fe + H2O CH4 + O2 CO2 + H2O SCl2+ NaF SF4+ S2Cl2 + NaCl Ca+ N2 Ca3N2 C4H10+ O2 CO2 + H2O NH4NO3 N2+ O2+ H2O

  5. Chemical Equations Synthesis Reactions A single product is produced from 2 or more reactants X + Y  Z SO3 + H2O  H2SO4 Decomposition Reactions A single reactant is converted into 2 or more products Z  X + Y H2SO4 SO3+ H2O

  6. Chemical Equations Single Replacement Reactions One element within a compound is replaced with another element XY + ZZY + X H2SO4 + Mg2+ MgSO4 + 2 H+ Double Replacement Reactions 2 compounds switch parts with each other to form two new compounds AB + XY AX + BY MgSO4 + CaCO3 CaSO4+ MgCO3

  7. Chemical Equations Combustion Reactions A substance reacts with O2 (typically with the help of a flame) 2 C4H10+ 13 O2 8 CO2 + 10 H2O

More Related