Dlulela kumxholo
Ok pool Reform

Umahluko phakathi kwemilinganiselo ye-pH kunye ne-poH

De alguna manera, el pH es una medida que sirve para establecer el nivel de acidez o alcalinidad de una disolución. Por su parte. el pOH es una medida de la concentración de iones hidroxilo en una disolución.

umahluko phakathi kweph kunye ne-poh
umahluko phakathi kweph kunye ne-poh

En Ok pool Reform, kweli candelo ngaphakathi kwe Amadama okuqubha akwinqanaba le-pH siya kuyiphatha i umahluko phakathi kweph kunye ne-poh kumaxabiso amanzi echibini.

Yintoni i-pH echibini kwaye kufuneka ibe njani amanqanaba ayo?

inqanaba pH pool

Lithini inqanaba le-pH echibini kunye nendlela yokulawula

ph pool high fallout

Ithetha ukuthini ipH efanelekileyo kumadama okuqubha (7,2-7,4)

I-acronym pH imele i-hydrogen enokubakho kwaye ngumlinganiselo obonisa ubumuncu okanye ubusiseko bamanzi.

Ke I-pH ibhekisa kwisakhono se-hydrogen, ixabiso elihambelana nokuxinana kwee-ion ze-hydrogen emanzini echibini lakho kwaye ngoko ke yi-coefficient ebonisa iqondo le-asidi okanye isiseko samanzi. Ngoko ke, i-pH ijongene nokubonisa ukuxinwa kwe-H + ion emanzini, ukugqiba i-acidic okanye uphawu olusisiseko.

Ubungakanani bamaxabiso e-pH amanzi edama lokuqubha

ialkaline ph equleni
Izizathu zenqanaba le-pH elilelona lifanelekileyo lokungahambelani kumadama okuqubha
Ubungakanani bamaxabiso e-pH amanzi edama lokuqubha

Ngawaphi amaxabiso aqukwa sisikali somlinganiselo we-pH yamanzi echibini?

  • Umlinganiselo womlinganiselo we-pH ubandakanya amaxabiso ukusuka kwi-0 ukuya kwi-14.
  • Ngokukodwa ukuba yi-0 eyona acidic, i-14 eyona isisiseko kunye nokubeka i-Neutral pH ku-7.
  • Lo mlinganiselo umiselwa linani leeyoni ze-hydrogen zasimahla (H+) kwizinto.
Kutheni sifuna pH?
Kutheni sifuna pH?

Kutheni sifuna pH?

I-pH ngumlinganiselo osetyenziselwa ukucacisa ubumuncu okanye ubusiseko bomxube omanzi. Ingaba isisombululo esinamanzi siphendula njenge-asidi okanye isiseko sixhomekeke kumxholo we-hydrogen ions (H +).

Nangona kunjalo, kwanamanzi acocekileyo nangathathi hlangothi aqulethe i-hydrogen ion ngenxa yokuzahlula kwamanzi.

H_2O \utolo lwasekhohlo ngasekhohlo H^+ + OH^-

Kuyaziwa ukuba kwi-equilibrium phantsi kweemeko eziqhelekileyo (750 mmHg kunye ne-25 ° C), i-1 L yamanzi acocekileyo iqulethe. 10^{-7} i-mole H^+ y 10^{-7} i-mole OH^- ion, ngoko ke, amanzi kubushushu obuqhelekileyo kunye noxinzelelo (STP) ane pH ye-7.

Yintoni omawuyenze xa i-pH yedama lethu AYIlawulwa

high ph pool ukuwa

Yazi iziphumo ze-pH ephezulu kunye nezizathu ze-pH ephezulu echibini lakho

indlela yokuthoba iph echibini

Indlela yokuthoba iPool ePhakamileyo okanye eneAlkaline pH

Izikhokelo malunga nendlela yokwenza ulondolozo lwamachibi ukongeza kwi-pH: ukucocwa kwamanzi kunye nokubulala iintsholongwane

I-Acidic, i-neutral kunye ne-alkaline ixabiso le-pH

Ithetha ntoni i-acidic kunye nesiseko se-pH?

Ithetha ntoni i-acidic kunye nesiseko se-pH?

Ukuhlelwa kweSikali seeMgangatho ze-pH

Ngawaphi amaxabiso e-pH

yintoni ichibi ph
yintoni iph pisci6

Isikali se-pH sisuka kwi-1 ukuya kwi-14, kunye ne-pH 7 isisombululo esingathathi hlangothi.

Ngoko ke, kuvela ukuba i-pH lixabiso elibonakaliswa nge-logarithmic scale phakathi kwamaxabiso 0 (i-acidic kakhulu) kunye ne-14 (i-alkaline kakhulu); Phakathi sifumana ixabiso le-7 elifakwe kwikhathalogu njengengathathi hlangothi.

Isikali se-pH isalathisi jikelele se-pH

Kuthetha ukuthini ukuba into ene-acidic okanye i-alkaline pH level?

Yintoni iiasidi kunye neziseko?

I-Acids kunye neziseko zizinto ezikhoyo kwindalo kwaye zahlulwa ngokwenqanaba le-pH, oko kukuthi, ngeqondo le-asidi okanye i-alkalinity. Ukumiselwa kokuba izinto zineasidi okanye ialkaline kulawulwa yinqanaba leasidi okanye ialkalinity elinganiswe kwisikali se-pH kunye noluhlu ukusuka ku-0 (oluneasidi kakhulu ukuya kwi-14 (i-alkaline egqithisileyo). nangona kunjalo zinemisebenzi emininzi yemizi-mveliso neyabantu.

Ziziphi izinto ezineasidi?

  • Inqanaba le-asidi ye-pH: pH ngaphantsi kwe-7
Kuthetha ukuthini ukuba ixabiso le-pH li-acidic?
  • Ukuba into eneasidi ithetha ukuba ityebile kuH+ (i-hydrogen ions): pH ngaphezulu kwe-7
  • Ngoko ke, Iiasidi zizinto ezinepH engaphantsi kwe-7. (i-pH yamanzi elingana ne-7, ithathwa njengengathathi hlangothi), i-chemistry yayo idla ngokuqulatha izixa ezikhulu ze-hydrogen ion xa ukongeza amanzi. Zidla ngokusabela nezinye izinto ngokuphulukana neeprotons (H+).

Ziziphi izinto ezingathathi hlangothi?

  • Ixabiso le-pH eliphakathi: i-pH ilingana ne-7-
Kuthetha ukuthini ukuba ixabiso le-pH lingathathi hlangothi?
  • I-pH ngumlinganiselo wokuba amanzi aneasidi/ayisiseko kangakanani na.
  • Uluhlu luvela kwi-0 ukuya kwi-14, kunye ne-7 engathathi hlangothi.

Ziziphi izinto zealkaline?

  • Izinto ezinesiseko okanye i-alkaline pH: i-pH enkulu kune-7.
Kuthetha ukuthini xa ixabiso le-pH liyi-alkaline?
  • Ukuba into ethile inealkaline ithetha ukuba ihlwempuzekile kwi-H+ (okanye zizityebi kwiziseko ze-OH-, eyenza ukuba iH+).
  • Kuyo yonke le nto, Iziseko, kwelinye icala, zizinto ezinepH enkulu kuno-7., ezithi kwizisombululo ezimanzi zihlala zibonelela ngeeion zehydroxyl (OH-) esiphakathini. Zidla ngokuba zii-oxidants ezinamandla, oko kukuthi, zisabela ngeeprotons ezivela kwindawo engqongileyo.

Umahluko phakathi kwe-pH kunye nexabiso le-pOH

ph ixabiso lefomula yesikali
ph ixabiso lefomula yesikali
Zinxulumana njani kwaye yintoni umahluko phakathi kwemilinganiselo yeph kunye ne-poh?
Umahluko phakathi kwemilinganiselo yeph kunye ne-poh
Umahluko phakathi kwemilinganiselo yeph kunye ne-poh

Ngokuqinisekileyo, umsebenzi we-ion uxhomekeke kugxininiso lwe-ion kwaye oku kuchazwe kwi-equation

i-pH/poH ion umsebenzi equation

a_{H^+}=f \cdot [H^+]
phi,
aH^+ -Umsebenzi we-hydrogen ion
f -I-coefficient yomsebenzi we-ion ye-hydrogen
[H^+] -Ugxininiso lwe-hydrogen ion

I-coefficient yomsebenzi ngumsebenzi wogxininiso lwe-ion kwaye isondela kwi-1 njengoko isisombululo siyancipha ngakumbi.

Kwizisombululo ze-dilute (ezifanelekileyo), umgangatho osemgangathweni we-solute yi-1,00 M, ngoko i-molarity yayo ilingana nomsebenzi wayo.

Ke, kwiingxaki ezininzi ezithatha izisombululo ezifanelekileyo, sinokusebenzisa i-logarithm ukuya kwisiseko se-10 soxinzelelo lwe-molar, hayi umsebenzi.

Umahluko phakathi kwexabiso le-pH kunye ne-pOH

ph kunye nesikali sexabiso le-poh
ph kunye nesikali sexabiso le-poh

Lithini ixabiso le-pH eliqhelekileyo?

  • Ngandlela ithile, i-pH ngumlinganiselo lowo isetyenziselwa ukuseka inqanaba le-asidi okanye i-alkalinity yesisombululo. I "p" imele "ithuba", yiyo loo nto i-pH ibizwa ngokuba: amandla e-hydrogen.

Yintoni ixabiso le-pOH?

  • Kwelakho icala. I-pOH ngumlinganiselo wokuxinana kwee-ion ze-hydroxyl kwisisombululo. Ichazwa njengesiseko se-10 ye-logarithm engathandekiyo yoxinaniso lwe-ion ye-hydroxyl kwaye, ngokungafaniyo ne-pH, isetyenziselwa ukulinganisa inqanaba le-alkalinity yesisombululo.
bala ixabiso le-ph
bala ixabiso le-ph

Ibalwa njani i-pH okanye ixabiso le-pOH?

Ithini ifomula yamaxabiso omlinganiselo weph?

  • Njengoko sele kusaziwa, kwintsimi yenzululwazi, i pH ngumlinganiselo de iiyoni ngaphakathi de isisombululo. Kusenokufuneka wenze njalo bala pH ngokusekelwe kugxininiso. Bala i pH Ukusebenzisa i-equation ye pHpH = -log[H3O+].

Ithini ifomula yokubala i-pOH?

  • Kwakhona i pOH (okanye i-OH inokwenzeka) ngumlinganiselo wesiseko okanye i-alkalinity yesisombululo. Kwakhona se isebenzisa pH = – log [H3O+] ukulinganisa ukuxinana kwee-ion ze-hydronium [H3O+].
Ibalwa njani i-pH okanye ixabiso le-pOH
Ibalwa njani i-pH okanye ixabiso le-pOH

IiEquations eziphambili ukubala i-pH okanye ixabiso le-pOH

  1. pH=−log[H3O+]
  2. pOH=−log[OH−]
  3. [H3O+] = 10-pH
  4. [oh-] = 10-pOH
  5. pH + pOH =pKw = 14.00 ngo-25 °C.

Uthini umahluko phakathi kwesikali samaxabiso e-pH kunye neso se-pOH?

ph kunye nesikali sexabiso le-poh
ph kunye nesikali sexabiso le-poh

Ukungalingani phakathi kwamaxabiso esikali se-pH

  • Kwelinye icala, isikali se-pH sinikeza amaxabiso e-asidi ukusuka ku-1 ukuya ku-6 ngelixa isikali se-pOH sinika amaxabiso e-asidi ukusuka kwi-8 ukuya kwi-14.
  • Ngakolunye uhlangothi, isikali se-pH sinikeza amaxabiso asisiseko ukusuka kwi-8 ukuya kwi-14, ngelixa isikali se-pOH sinika amaxabiso asisiseko ukusuka ku-1 ukuya ku-6.

Logarithm isikali ubudlelwane beph kunye ne-pOH kunye neenqobo zabo

amaxabiso esikali sobudlelwane beph kunye ne-poh
amaxabiso esikali sobudlelwane beph kunye ne-poh

ph kunye ne-pOH udibaniso lwesikali esinemibala kunye namaxabiso

  • pH yilogarithm yoxinaniso lwee-H ions+, nophawu olutshintshileyo:
  • Ngokufanayo, chaza pOH njengelogarithm yoxinaniso lwe-OH ion-, kunye nophawu olutshintshileyo: Ubudlelwane obulandelayo bunokusekwa phakathi kwe pH kunye pOH.
  • Ngokusisiseko, amaxabiso e-pH anika i-logarithm engalunganga yoxinaniso lwe-ion ye-hydrogen, ngelixa ixabiso le-pOH linika i-logarithm engalunganga yoxinzelelo lwe-ion ye-hydroxide.

Umahluko phakathi kwesikali se-pH kunye nexabiso le-pOH

Ukungangqinelani phakathi kwetheyibhile yexabiso le-ph kunye nexabiso le-pOH

Emva koko, sikunika imuvi apho unokubona ukuba i-pH ilinganisa ukugxilwa kwe-hydrogen ion, ngelixa i-pOH ilinganisa ukugxilwa kwe-hydroxyl anion okanye i-hydroxide ion.