Key Equations Flashcards
1
Q
Ideal Gas Law
A
PV = nRT
2
Q
Slope
A
Change in X / Change in Y
3
Q
Precision by 1/2 Range
A
(Maximum - Minimum) / 2
4
Q
Precision by STDEV
A
\sigma={\sqrt {\frac {\sum(x_{i}-{\mu})^{2}}{N}}}
5
Q
Accuracy by Percent Error
A
((Measured - True) /( True) ) (100)
6
Q
Percent Transmission
A
%T = I/Io x100
7
Q
Absorbance
A
A = 2 - log%T
8
Q
Volume and concentration
A
c1v1 = c2v2
9
Q
% Yield
A
% Yeild = (recovered weight / initial wight) (100)
10
Q
heat
A
q = -(C x Change in Temp)
C = heat capacity of system
11
Q
Heat Capacity of System
A
C = Cs + Cc
12
Q
Enthalpy Change
A
Delta H= -(Cs+Cc)(Change in Temp)
13
Q
A