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11.2 GRAPHICAL TECHNIQUES (Rules of drawing (draw best fit line (points…
11.2 GRAPHICAL TECHNIQUES
Rules of drawing
make the graph as large as possible
IV on x and DV on y
quantity and unit on axes
plot point
draw best fit line
points evenly distributed
title
Deriving quantities from graph
gradient
draw tangent to the curve
application
Rate of reaction
determine unknown conc.
Arrhenius equation
kinetics
Estimating value
Extrapolation
Extending known sequence of value
Intrapolation
within two known values