Answers: 1
= constant
= activation energy
![\frac{D_{1}}{D_{2}} = exp[\frac{-Q_{d}}{1400 R} + \frac{Q}{1100 R}]](/tpl/images/0530/9405/91326.png)
![\frac{6.25 \times 10^{-11}}{D_{2}} = exp [\frac{-Q_{d}}{R}(\frac{-300}{1400 \times 1100})]](/tpl/images/0530/9405/0c339.png)
= exp (2.6)
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