Basic Chemical Reactions Flashcards
two or more reactants form one product
a+b = ab
combination
a single compound breaks down into two or more simpler susbtances
ab = a+b
decomposition
more active element displaces (kicks out) another less active element from a compound
a + bx = ax + b
single displacement
two species are displaced
ax + by = ay + bx
double displacement
when a compound, usually one containing carbon combines the oxygen gas in the air
commonly called burning
combustion
conservation of mass states reactants should have the ___ mass as/than the products
same
reactions involving the change in oxidation states of reactants; LEORA
redox reactions
loss of electrons - oxidation
GEROA
reducing agent
gain of electrons - reduction - oxidizing agent
factors that affect rates of chemical reactions
general principle
surface area of solid reactants
concentration of solutions
pressure of gaseous reactants
temperature
catalyst concentration
the greater the chance that particles collide, the faster the chemical reaction
general principle
the greater the surface area, the faster the chemical reaction
surface area of solid reactants
the greater the concentration, the faster the chemical reaction
concentration of solid reactants
the greater the pressure, the faster the chemical reaction
pressure
the higher the temp, the faster the chemical reaction
temperature
the greater the catalyst concentration, the faster the chemical reaction
catalyst concentration
