Kinetics
State the Rate Law.
How do you determine a rate?
experimentally or from stoichometry
only experimentally. rate cannot be determined using stoichiometry.
What is Half life?
time needed for half of the rxn to be consumed.
Is activation energy always negative or positive?
activation energy is always positive because the slope is always negative because the rate usually decreases over time!
y=b+mx
write the corresponding equation.
lnK= lnb -Ea/R (1/T)
K varies with -----, but does not vary with -----.
Temperature and concentration
finding concentration for t when concentration of A falls 1/10 of the initial
0.1=e-kt
ln0.1=-kt
ln0.1/k=t
t1/2=ln2/k
State the Arrhenius Equation.
K=Ae-Ea/RT
second order rate law reaction equations.
1/[A]-1/[A]0=2kt