= 0.341ml/ Deg C
Yes!
The unit of temperature for this graph °C.
Then, V is not proportional to T, because the data do not fit the formula V = mT, required for a proportional relationship. "m" is the slope of the line (I called it "C" earlier) and the y-intercept b has to be zero. From the equation of a straight line, y = mx + b, which is V = mT + b in this experiment if your volumes are on the y-axis and your temperatures are on the x-axis. If b = 0, V is proportional to T. If b �?nbsp;0, V is not proportional to T. This is according to the strict definition of "proportional."
Guess what the result is when you use Kelvin units for the temperature? 
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