Chapter 13- Balancing Reactions Flashcards
Fuels contain ___,____,____
Carbon, hydrogen, oxygen
HCl
Hydrochloric acid
HF
Hydrofluoric acid
HBr
Hydrobromic acid
HI
Hydroiodic acid
HNO3
Nitric acid
H2SO4
Sulfuric acid
Reactants: fuel+O2
Products: water and carbon dioxide
Combustion
Reactants: two or more reactants
Products: one product
Synthesis
Reactants: one
Products: two
Decomposition
Reactants: one compound and one element
Products: new compound and element
Single replacement
Reactants: two compounds
Products: swap places
Double replacement
What is involved in combustion?
Hydrocarbon or alcohol
Products have the same chemical properties before and after the change
Physical change
Products are new properties after the change
Chemical change
What’s evidence for a chemical reaction?
Evolution of a gas
Formation of precipitate
Color change
Energy is absorbed or released
Releasing heat, on the product side of an equation
Exothermic
Absorbing heat, on the reactant side of an equation
Endothermic
Mass of products is equal to the mass of reactants
Law of conservation of mass/matter
A process in which one or more substance are changed into one or more new substances
Chemical reaction