chem 106 quiz 3 Flashcards
1
Q
4 factors that control the rate of a chemical reaction
A
physical state of reactant, concentration, temperature, add a catalyst
2
Q
how to find order wrt a certain reactant
A
ratio of initial concentrations to initial rates and then find the exponent
3
Q
overall order of a reaction
A
add the exponents
4
Q
how to find k
A
plug in a row of the table (if applicable)
5
Q
zero order rate =
A
k
6
Q
1st order rate =
A
k[A]
7
Q
2nd order rate =
A
k[A]^2
8
Q
zero order equation that yields a straight line
A
[A]t = -kt + [A]0
9
Q
1st order equation that yields a straight line
A
ln[A]t = -kt + ln[A]0
10
Q
2nd order equation that yields a straight line
A
1/[A]t = kt + 1/[A]0
11
Q
half-life
A
time it takes to reach 1/2[A]0
12
Q
t1/2 =
A
0.693 / k
13
Q
2 sig figs in log yields
A
2 decimal places
