Question in Probability and Statistics 2
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If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

What is a monomer? how do they form a ploymer from the view point of chemical bonding?