过点[img=67x25]1802fe70649f5eb.png[/img]与直线[img=206x51]1802fe706f782db.png[/img]的平面的方程为（ ）．
A: [img=136x22]1802fe7078cf842.png[/img]
B: [img=125x22]1802fe708101903.png[/img]
C: [img=125x22]1802fe708dc1b12.png[/img]
D: [img=125x22]1802fe70967b957.png[/img]
A: [img=136x22]1802fe7078cf842.png[/img]
B: [img=125x22]1802fe708101903.png[/img]
C: [img=125x22]1802fe708dc1b12.png[/img]
D: [img=125x22]1802fe70967b957.png[/img]
举一反三
- 过点[img=67x25]1803a28a6d78ff2.png[/img]与直线[img=206x51]1803a28a78846c2.png[/img]的平面的方程为（ ）． A: [img=136x22]1803a28a81e7ad4.png[/img] B: [img=125x22]1803a28a89e4461.png[/img] C: [img=125x22]1803a28a92ee441.png[/img] D: [img=125x22]1803a28a9b3c78b.png[/img]
- 过点[img=67x25]1803d458ea1d018.png[/img]与直线[img=206x51]1803d458f49a589.png[/img]的平面的方程为（ ）． A: [img=136x22]1803d458fd6bdda.png[/img] B: [img=125x22]1803d45905a5671.png[/img] C: [img=125x22]1803d4590e00f1c.png[/img] D: [img=125x22]1803d459161a88b.png[/img]
- 用强度为I，波长为[img=27x24]1802e3021e829f1.png[/img]的X射线(伦琴射线)分别照射锂Li（Z = 3）和铁Fe（Z = 26）．若在同一散射角下测得康普顿散射的X射线波长分别为[img=27x24]1802e3021e829f1.png[/img]Li和[img=27x24]1802e3021e829f1.png[/img]Fe（[img=27x24]1802e3021e829f1.png[/img]Li，[img=27x24]1802e3021e829f1.png[/img]Fe>[img=27x24]1802e3021e829f1.png[/img]），它们对应的强度分别为[img=27x24]1802e3021e829f1.png[/img]Li和[img=27x24]1802e3021e829f1.png[/img]Fe，则 A: [img=177x37]1802e30262d047c.png[/img] B: [img=173x32]1802e3026b65037.png[/img] C: [img=175x34]1802e3027495042.png[/img] D: [img=175x34]1802e3027d0b84c.png[/img]
- 原电池（-）Pt︱Fe[img=17x22]1803dd54de61136.png[/img](1 mol·L[img=17x22]1803dd54e7299c0.png[/img]),Fe[img=17x22]1803dd54f0030fb.png[/img](1 mol·L[img=17x22]1803dd54fa39c0d.png[/img])‖Ce[img=17x22]1803dd5502f9d6b.png[/img]( mol·L[img=17x22]1803dd550b82a7d.png[/img]) ,Ce[img=17x22]1803dd55130efd2.png[/img]( mol·L[img=17x22]1803dd551af174c.png[/img]) ︱Pt(+)的电池反应是( )。 A: Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] = Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] B: Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] = Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] C: Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] = Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] D: Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] = Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img]
- 对电极反应反应Fe[img=17x22]1803dd593688451.png[/img]+e[img=11x21]1803dd593f0ee2e.png[/img]=Fe[img=17x22]1803dd5946fb818.png[/img]中有关离子浓度都减小一半时，φ (Fe[img=17x22]1803dd594f9ef1d.png[/img]/Fe[img=17x22]1803dd5958240ac.png[/img])的值不变。( )