Qhov twg ntawm cov kua qaub hauv qab no yog dibasic?

Cov txheej txheem:

Qhov twg ntawm cov kua qaub hauv qab no yog dibasic?
Qhov twg ntawm cov kua qaub hauv qab no yog dibasic?
Anonim

Kev piav qhia: Sulphuric acid yog dibasic acid nyob rau hauv cov xwm li ot muaj 2 hydrogen atoms uas ionise hauv aqueous tov.

Yuav ua li cas yog cov kua qaub dibasic?

Ib qho kua qaub uas muaj ob lub acidic hydrogen atoms hauv nws cov molecules. Sulphuric (H2SO4 thiab carbonic (H2CO3) acids yog cov piv txwv.

Qhov twg hauv qab no tsis yog dibasic acid?

Oxalic acid muaj ob lub hloov pauv hydrogen atom yog li nws tsis yog monobasic acid.

H3po3 puas yog dibasic acid?

H3PO3 is a dibasic acid.

YH2so4 puas yog dibasic acid?

Sulphuric acid yog dibasic acid uas qhia tau tias ntawm kev sib cais nws yuav muab ob lub hydrogen ions thiab sulfate ions. Nws yog ib qho muaj zog acid thiab yog li ntawd, nws mus dhau ionization.

Pom zoo:

Cov khoom xyaw twg hauv qab no ua cov tshuaj tsw qab hauv cov tshuaj txhuam hniav?

Cov khoom xyaw twg hauv qab no ua cov tshuaj tsw qab hauv cov tshuaj txhuam hniav?

Sodium lauryl sulfate (SLS) yog surfactant feem ntau siv. YPuas yog tshuaj txhuam hniav puas yog surfactant? Surfactants. Ntau, txawm tias tsis yog tag nrho, tshuaj txhuam hniav muaj sodium lauryl sulfate (SLS) lossis lwm yam surfactants (detergents).

Dab tsi ntawm cov hauv qab no yog cov kua qaub uas muaj zog tshaj chloroacetic acid?

Dab tsi ntawm cov hauv qab no yog cov kua qaub uas muaj zog tshaj chloroacetic acid?

Yog li, los ntawm cov kev xaiv tau muab, trichloroacetic acid yuav yog cov kua qaub uas muaj zog tshaj plaws vim tias muaj peb chlorine atoms tam sim no ntawm tib cov pa roj carbon uas yuav cuam tshuam cov nqi tsis zoo tshaj plaws thiab ua rau Qhov ruaj khov tshaj plaws carboxylate ion.

Ntawm qhov twg ntawm cov ces kaum hauv qab no yog cov haujlwm cosecant tsis tau txhais?

Ntawm qhov twg ntawm cov ces kaum hauv qab no yog cov haujlwm cosecant tsis tau txhais?

Qhov tseeb, tus nqi xa rov qab los ntawm kev ua haujlwm cosecant rau lub kaum sab xis ntawm xoom degrees lossis ib puas yim caum degrees yog suav tias yog tsis tau txhais, txij li qhov sib npaug csc (θ)= 1 / sin θ ) yuav suav nrog kev faib los ntawm xoom.

Qhov twg hauv qab no yog qhov piv txwv ntawm qhov tsis suav nrog cov lej tsis suav nrog?

Qhov twg hauv qab no yog qhov piv txwv ntawm qhov tsis suav nrog cov lej tsis suav nrog?

Pi is a non-terminating, non-repeating decimal. π=3.141 592 653 589 793 238 462 643 383 279 … e is a non-terminating, non-repeating decimal. Ib qho piv txwv ntawm tus lej tsis suav nrog yog dab tsi? Piv txwv: 0.5, 2.456, 123.456, thiab lwm yam.

Cov ntsuas olfactory qhia li cas cov kua qaub thiab cov hauv paus?

Cov ntsuas olfactory qhia li cas cov kua qaub thiab cov hauv paus?

Ib qho taw qhia olfactory ua haujlwm ntawm lub hauv paus ntsiab lus tias thaum muaj kua qaub lossis lub hauv paus ntxiv rau nws, ces cov ntxhiab tsw txawv tuaj yeem kuaj pom hauv cov hauv paus whereastsw tsw zoo ib yam hauv cov kua qaub. Qee yam tshuaj uas hloov nws cov ntxhiab hauv Acidic lossis nruab nrab nruab nrab.