Heating up a strip of natural rubber from T = 300 K to T=350 K increases...

 

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Heating up a strip of natural rubber from T = 300 K to T=350 K increases the stress at constant elongation A=2 from -4.3 x 10 Pa to 0=5 x 105 Pa. Assuming a linear dependence of stress on temperature at constant elongation, estimate the energetic og and entropic as contributions to the stress at T = 300 K. Heating up a strip of natural rubber from T = 300 K to T=350 K increases the stress at constant elongation A=2 from -4.3 x 10 Pa to 0=5 x 105 Pa. Assuming a linear dependence of stress on temperature at constant elongation, estimate the energetic og and entropic as contributions to the stress at T = 300 K.

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The problem describes a process in which the stress on a strip of natural rubber is affected by temp... View the full answer