The g -factors and the hyperfine splittings are calculated for both Cu 2+ ions which enter into the substitutional NH 4 + sites in the lattice. The spectra for Cu 2+ (I) and Cu 2+ (II) lattice sites are found to have intensities in the ratio 1:1 suggesting non preferential ...
本文合成了钼硫原子簇新化合物(NH4)4[Mo3(NO)4S13]·3H2O,并用X射线单晶衍射法测定了晶体结构.晶体属三斜晶系,空间群Ci1—P1-,晶胞参数:a=9.535(2)A,b=9.740(2)A,C=15.795(4)A,a=89.85(2)°,β=91.80(2)°,r=99.37(1)°,V=1446.6A3,Z=2.1903个衍射点参与修正,最终偏差因子R=0.0...
某废水中含有的NH4+在一定条件下可被O2氧化,反应过程如下: ①NH4+ (aq)+3/2 O2(g)=NO2− (aq)+2H+ (aq)+ H2O(l) ΔH2=-273 kJ·mol–1 ②NO2− (aq)+ 1/2 O2(g)=NO3− (aq) ΔH2=
C、NaOH D、NH3·H2O 该题目是单项选择题,请记得只要选择1个答案!正确答案 点击免费查看答案 试题上传试题纠错猜您对下面的试题感兴趣:点击查看更多与本题相关的试题F分布是用来检验单个回归系数的显著性,而t分布就用来检验整个回归方程的显著性。() 免费查看参考答案及解析 注水试验用来检验测压管的()。 免...
Title compounds with x = 0.00, 0.34, 0.59, 0.70, and 1.00 are prepared by hydrothermal reaction of MCl2 (M: Ni, Co) and solid (NH2)2CO in aqueous H3PO4 (autoclave, 180 °C, 7 d).Torre‐Fernandez, LauraDep. Quim. Fis. Anal. Quim. Org. Inorg., Univ. Oviedo, E‐33006 ...
本文合成了钼硫原子簇新化合物(NH4)4[Mo3(NO)4S13]·3H2O,并用X射线单晶衍射法测定了晶体结构.晶体属三斜晶系,空间群Ci1—P1-,晶胞参数:a=9.535(2)A,b=9.740(2)A,C=15.795(4)A,a=89.85(2)°,β=91.80(2)°,r=99.37(1)°,V=1446.6A3,Z=2.1903个衍射点参与修正,最终偏差因子R=0.075,Rω=...
The molar enthalpy of solution of (NH4)2Ca[B4O5(OH)4]2·8H2O in 1 mol·dm-3 HCl(aq) and of NH4Cl(s) in (HCl + H3BO3 +CaO)(aq) were measured to be (104.50 ± 0.34) kJ·mol-1 and (17.71 ± 0.30) kJ·mol-1, respectively. From a combination of these results with measured...
Zeitschrift für anorganische und allgemeine ChemieSynthesis and Crystal Structure of {(NH4)xCo((3-x)/2)}(H2O)2[BP2O8].(1-x)H2O(x≈0.5). Schafer Q,Carrillo-Cabrera W,W. Schnelle,Borrmann H,Kniep R. Zeitschrift fur Anorganische und Allgemeine Chemie . 2002...
The reaction of ammonium heptamolybdate with hydrazine sulfate in an aqueous solution of glycine at room temperature yielded colorless crystals of (NH 4 ) 4 [(NH 3 CH 2 CO) 2 (Mo 8 O 28 )] · 2 H 2 O. The crystal is monoclinic, space group C2/c (no. ...