Thaum acetone thiab chloroform sib xyaw ua ke?

Cov txheej txheem:

Thaum acetone thiab chloroform sib xyaw ua ke?
Thaum acetone thiab chloroform sib xyaw ua ke?
Anonim

Thaum acetone thiab chloroform sib xyaw ua ke, ib daim ntawv cog lus hydrogen yog tsim los ntawm lawv uas ua rau muaj kev sib cuam tshuam ntau ntxiv. Yog li ntawd, kev sib cuam tshuam A-B muaj zog dua A-A thiab A-B kev sib cuam tshuam.

Yuav ua li cas thaum acetone thiab chloroform sib xyaw?

Thaum acetone thiab chloroform sib xyaw ua ke, hydrogen bonds tau tsim ntawm lawv.

Thaum acetone thiab chloroform sib xyaw ua ke hydrogen bonds tsim ntawm lawv?

Kev daws: Thaum acetone thiab chloroform sib xyaw ua ke, hydrogen bonds tsim ntawm lawv uas nce kev sib cuam tshuam hauv nruab nrab yog li txo qhov vapor siab qhia qhov tsis zoo sib txawv. Li no, kev xaiv C yog lawm.

Thaum acetone thiab chloroform thiab sib xyaw ua ke ntawm qhov kev soj ntsuam hauv qab no yog qhov tseeb?

Vim tias acetone thiab chloroform molecules yog bonded by hydrogen bonds. Yog li kev xaiv B yog qhov tseeb.

Thaum cov tshuaj acetone thiab chloroform sib xyaw ua ke hom tshuaj twg tau piav qhia?

Ib qho sib xyaw ntawm chloroform (B) thiab acetone (B) tsim ib qho daws nrog qhov tsis zoo ntawm Raoult txoj cai. Qhov no yog vim chloroform molecule muaj peev xwm tsim hydrogen daim ntawv cog lus nrog acetone molecules. Txij li thaum kev sib cuam tshuam A-A thiab B-B tsis muaj zog dua li kev sib cuam tshuam A-B yog li nws yuav qhia qhov tsis zoo sib txawv.

Pom zoo:

Nthuav cov khoom
Puas yog kho dua ua ntej?
Nyeem ntxiv

Puas yog kho dua ua ntej?

"Kho" yog lo lus qauv. "Re" tsis yog lo lus ua ntej vimyam tsis tshuav nws muaj lub ntsiab lus sib txawv kiag li. Nco ntsoov tias "kho" tuaj yeem yog lub npe. Kuj "re-pair" txawv kiag li vim hais tias nws txhais tau tias "

Dab tsi tshwm sim rau Matthew boling?
Nyeem ntxiv

Dab tsi tshwm sim rau Matthew boling?

Scantling yog ib qho ntawm peb tam sim no lossis yav dhau los Georgia taug qab hnub qub kom tau txais qhov chaw ntawm Pab Pawg Tebchaws USA rau Tokyo Olympics ntawm US Olympic Track & Field Trials ntawm Hayward Field hauv Eugene, Ore., hnub Sunday.

Vim li cas liab eared sliders tom?
Nyeem ntxiv

Vim li cas liab eared sliders tom?

Red Eared Sliders also bib ib leeg hla zaub mov. … Cov vaub kib kuj tuaj yeem sib ntaus sib tua thiab tom ib leeg los ua pov thawj tswj hwm, tshwj xeeb tshaj yog tias lawv yog txiv neej. Los yog txiv neej tuaj yeem sib ntaus sib tua poj niam yog cov poj niam tsis tso cai rau lawv ua khub.