在算历届试题时有两提不会算 请材料高手帮帮忙 1.If zinc oxide is heated a low oxygen pressure,it will become conductive. Assume the defect structure is of the Frenkel type, with zinc ions occupying the interstitial position. How do the concentrations of electrons change with \ the oxygen pressure if the interstitial zinc ions are (A)doubly charged and (B)sin\ gly charged? 2.For aluminum, the heat capacity at constant volume Cv at 30K is 0.81 J/mole-\ K,and the Debye temperature is 375 K,Estimate the specificheat at 55K and 430K 清大家帮忙解一下 谢谢大家 --

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