先谢谢愿意看我问题的同学!!~ 94 2. Pure rotational of a molecule occur in what region of electromagnetic radiation? a.microwave b. x-ray c. infrared d. ultraviolet e. r-ray 6. Which one of the following compounds is not soluble in a strong basic solution? a. BeO b. ZnO c. Al2O3 d. Fe2O3 e. Cr2O3 这个要怎麽判断阿 这种题型完全没办法T_T 另外请问是酸性盐可溶於硷 硷可融於酸是吗? 7. Which one of the following compounds is most soluble in water? a. PbCl2 b. Pb(ClO4)2 c.Pb(OH)2 d.PbSO4 e. PbS 12.Which one of the following quantities is largest for 1mol of given subtance a. enthalpy of fusion b.enthalpy of vaporization c.enthalpy of sublimation d. heat capacity of solid e. heat capacity of liqid 二 3 A 0.02M solution of H2SO4 has an osmotic pressure of 1.125 atm at 25度C Find Ka for HSO4- 8.Represent the structure of the condensation polymer made from 2-hydroxypropanoic acid 95. 9. The two salts AgX have very silmilar solubilities in water. The salt AgX is much more soluble in acid than is AgY What can be said about the relative strengths of the acids HX and HY? a. nothing b. HY is strongerthan HX c. HX is stronger then HY d. The acids have equal strengths. 18. For the process X-(g) -> X-(aq) select the ion with the most negative value of deltaH a. F- b. Cl- c. Br- d. I- e.At- 19. The color of a transition metal complex results from a. bending vibrations b.stretching vibrations c.transition of an electron between d orbitals d. transition of an electron between an s and a p orbital e. nuclear magnetic resonance 二-4 为什麽Co(NH3)6 3+ 是逆磁 而Fe(H2O)6 3+是顺磁呢? 还有请问rate law的order有可能是负的吗 因为我算一题是-1 .... 另外请问有人有写C卷的想对答案吗~? 虽然都查过了 还是对一下比较安心 谢谢! --

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