Equations Flashcards
1
Q
association test equation
A
r\/n-2/1-r(2)
2
Q
regression equation
A
b(o) -/+ b(1) x
3
Q
mean
A
3x/n
4
Q
median
A
1/2 (1+n)
5
Q
standard deviation
A
3x(-)- x/n-1
6
Q
variance
A
3x(-)- x/n (then square root)
7
Q
decay equation
A
c= c x exp (-at)
8
Q
growth equation
A
c = c (1+r)(n)
9
Q
rate of increase
A
r x n (1-n/k)
10
Q
hydronium conc/acid to pH
A
-log(1x10(-7))
11
Q
ph to hydronium conc
A
inverse log then reverse number, log=10(-7.40)
12
Q
equilibrium constant
A
conc of products/conc of reactants
13
Q
ka equation
A
(h30 x conc products)/conc of reactants
14
Q
pka
A
-log(ka)
15
Q
kw
A
hydrogen ions x hydroxide ions