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Chemistry Lab 103 Mid-Term
N/A
17
Chemistry
Undergraduate 1
10/10/2010

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Cards

Term
accuracy
Definition
how close your value is to the actual value
Term
precision
Definition
how close your values are to each other
Term
percent error =
Definition

[experimental value - known value] X 100


 known value  

                                                         

Term
Density =
Definition

Density = mass / volume

 

Term
mobile phase
Definition
the phase that travels through the column
Term
stationary phase
Definition
the phase that does not move through the column
Term
Rf
Definition
distance traveled by the front edge of the compound / distance moved by the front edge of the solvent
Term
column chromatography
Definition
the stationary phase is a solid supported in a column
Term
specific heat =
Definition
heat / (mass X temperature change)
Term
What is visible range?
Definition
400-700 nm
Term
If the wavelength is small the energy is?
Definition
higher
Term
If the frequency is higher the energy is?
Definition
higher
Term
NaCl gives off what color?
Definition
orange
Term
KCl gives off what color?
Definition
purple
Term
LiCl gives off what color?
Definition
red
Term
CuCl gives off what color?
Definition
green
Term
What are the typed of waves from highest energy to lowest energy?
Definition

Gamma rays

X-rays

UV

Visible

Infrared

 

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