E lele i ka papahana
ʻOk Pool Reform

Ka ʻokoʻa ma waena o nā ana pH a me ka poH

Ma kekahi ʻano, he ana ka pH e hoʻokumu i ka pae o ka acidity a i ʻole ka alkalinity o kahi hopena. No kāna ʻāpana. ʻO ka pOH ke ana o ka ʻike ʻana o nā ion hydroxyl i loko o kahi hāʻina.

ʻokoʻa ma waena o ka ph a me ka poh
ʻokoʻa ma waena o ka ph a me ka poh

En ʻOk Pool Reform, ma keia pauku iloko o ka Nā wai ʻauʻau pae pH e mālama mākou i ka ʻokoʻa ma waena o ka ph a me ka poh i nā waiwai wai loko.

He aha ka pH i loko o ka loko wai a pehea kona mau pae?

pae wai pH

He aha ka pae pH wai a pehea e hoʻomalu ai

ph pool kiʻekiʻe hāʻule

He aha ke ʻano o ka pH kūpono no nā loko ʻauʻau (7,2-7,4)

ʻO ka acronym pH ke kū nei no ka hydrogen hiki ke loaʻa a he ana ia e hōʻike ana i ka ʻakika a i ʻole ke kumu o ka wai.

No laila, ʻO ka pH e pili ana i ka hiki o ka hydrogen, kahi waiwai e pili ana i ka neʻe ʻana o nā ion hydrogen i loko o ka wai i loko o kou loko wai a no laila ʻo ia ka coefficient e hōʻike ana i ke kiʻekiʻe o ka acidity a i ʻole ke kumu o ka wai. No laila, ʻo ka pH ke kuleana o ka hōʻike ʻana i ka neʻe ʻana o nā ion H+ i loko o ka wai, e hoʻoholo ana i kona ʻano ʻakika a kumu.

ʻO ka nui o nā waiwai pH o ka wai ʻauʻau

ph alkaline i loko o ka loko
ʻO nā kumu o ka like ʻole o ka pae pH maikaʻi ma nā loko ʻauʻau
ʻO ka nui o nā waiwai pH o ka wai ʻauʻau

He aha nā waiwai i loaʻa i ka pākaukau pH wai wai?

  • Aia ka helu pH i nā waiwai mai 0 a 14.
  • ʻO ka 0 ka acidic loa, 14 ka mea maʻamau a kau i ka pH Neutral ma 7.
  • Hoʻoholo ʻia kēia ana e ka helu o nā ion hydrogen manuahi (H+) i loko o ka mea.
No ke aha mākou e pono ai i ka pH?
No ke aha mākou e pono ai i ka pH?

No ke aha mākou e pono ai i ka pH?

ʻO ka pH kahi ana i hoʻohana ʻia e kuhikuhi i ka ʻakika a i ʻole ke kumu o kahi hoʻonā wai. ʻO ka hoʻololi ʻana o ka wai wai ma ke ʻano he ʻakika a i ʻole ke kumu e pili ana i kāna ʻike o nā ion hydrogen (H+).

Eia nō naʻe, ʻo ka wai maʻemaʻe a me ka wai kūlohelohe kekahi mau ion hydrogen ma muli o ka hoʻokaʻawale ʻana o ka wai.

H_2O \loihi hema hema H^+ + OH^-

Ua ʻike ʻia ma ke kaulike ma lalo o nā kūlana maʻamau (750 mmHg a me 25 ° C), 1 L o ka wai maʻemaʻe 10^{-7} mole H^+ y 10^{-7} mole OH^- ʻO nā ion, no laila, ʻo ka wai ma ka mahana maʻamau a me ke kaomi (STP) he pH o 7.

He aha kāu e hana ai inā ʻaʻole i hoʻoponopono ʻia ka pH o kā mākou loko

kiʻekiʻe ph pool fallout

E ʻike i nā hopena wai kiʻekiʻe pH a me nā kumu o ka pH kiʻekiʻe i kāu loko

Nā alakaʻi e pili ana i ka mālama ʻana i ka loko wai i ka pH: ka hoʻomaʻemaʻe wai a me ka disinfection

ʻAkika, kūʻokoʻa a me ka alkaline pH waiwai

Ka hoʻokaʻawale ʻana o ka pālākiō o nā waiwai pH

He aha nā waiwai pH

he aha ka loko ph
he aha ka ph pisci6

ʻO ka pālākiō pH mai ka 1 a hiki i ka 14, me ka pH 7 he hopena kūʻokoʻa.

No laila, ua ʻike ʻia ʻo ka pH kahi waiwai i hōʻike ʻia ma ka pālākiō logarithmic ma waena o nā waiwai 0 (ʻākaʻikaʻi loa) a me 14 (alkaline loa); Ma waena, ʻike mākou i ka waiwai 7 i hōʻuluʻulu ʻia ma ke ʻano kūʻokoʻa.

Hōʻike pH ākea ākea

He aha ke ʻano o ka loaʻa ʻana o ka pae pH acidic a alkaline paha?

He aha nā ʻakika a me nā kumu?

ʻO nā ʻakika a me nā kumu he mau mea i loko o ke ʻano a hoʻokaʻawale ʻia e ko lākou pae pH, ʻo ia hoʻi, ma ko lākou pae o ka acidity a i ʻole alkalinity. Hoʻoholo ʻia ka hoʻoholo ʻana inā he ʻakika a alkaline paha kekahi mea e ka degere o ka ʻakika a i ʻole ka alkalinity i ana ʻia ma ka pālākiō pH a mai ka 0 (ʻakika loa a hiki i ka 14 (alkaline loa). akā naʻe, he nui nā hana ʻoihana a me ke kanaka.

He aha nā mea ʻakika?

  • Pae pH ʻakika: pH emi ma lalo o 7
He aha ka manaʻo he waika ka pH waiwai?
  • ʻO ka ʻakika o kahi mea, ʻo ia hoʻi he waiwai ia i ka H+ (iona hydrogen): ʻoi aku ka pH ma mua o 7
  • No laila, ʻO nā waikawa nā mea me ka pH ma lalo o 7. (pH o ka wai e like me 7, i manaoia he ku ole), nona na kemika he nui na iona hydrogen ke hookomo i ka wai. Hoʻopili pinepine lākou me nā mea ʻē aʻe ma ka nalowale ʻana o nā protons (H+).

He aha nā mea kūʻokoʻa?

  • Waiwai pH kūʻokoʻa: pH like me 7-
He aha ka manaʻo o ka pH kūʻokoʻa?
  • ʻO ka pH kahi ana o ke ʻano o ka ʻakika/maʻa o ka wai.
  • Mai ka 0 a hiki i ka 14 ka laulā, me ka 7 i kū ʻole.

He aha nā mea alkaline?

  • Nā mea me ke kumu a i ʻole ka pH alkaline: ʻoi aku ka pH ma mua o 7.
He aha ka manaʻo inā he alkaline ka waiwai pH?
  • ʻO ka alkaline ka mea, ʻo ia hoʻi, ʻilihune ia i ka H+ (a waiwai paha i nā kumu OH-, ka mea e hoʻokaʻawale i ka H+).
  • No kēia mau mea a pau, ʻO nā kumu, ma ka ʻaoʻao ʻē aʻe, he mau mea me ka pH ʻoi aku ma mua o 7., i loko o nā hā'ina wai e hā'awi mau i nā ion hydroxyl (OH-) ma ka waena. He mau oxidants ikaika lākou, ʻo ia hoʻi, ke hana nei lākou me nā protons mai ka mea a puni.

Nā ʻokoʻa ma waena o ka pH a me nā waiwai pOH

ph value scale formula
ph value scale formula
Pehea ka pili ana a he aha ka ʻokoʻa ma waena o nā ana ph a me poh?
ʻokoʻa ma waena o nā ana ph a me poh
ʻokoʻa ma waena o nā ana ph a me poh

ʻO kaʻoiaʻiʻo, pili ka hana o nā ion i ka ion concentration a ua wehewehe ʻia kēia ma ka hoohalike

pH/poH ion activity equation

a_{H^+}=f \cdot [H^+]
ma hea,
aH^+ – ka hana hydrogen ion
f - ka helu hana o ka hydrogen ion
[H^+] – ka hoʻokuʻu ʻana o ka hydrogen ion

ʻO ka coefficient haʻawina he hana ia o ka hoʻopaʻa ʻana o ka ion a hoʻokokoke i ka 1 i ka lilo ʻana o ka hoʻonā i ka dilute.

No nā hāʻina dilute (kūpono), ʻo ke kūlana maʻamau o ka solute he 1,00 M, no laila ua like kona molarity i kāna hana.

No laila, no ka nui o nā pilikia e manaʻo ana i nā hāʻina kūpono, hiki iā mākou ke hoʻohana i ka logarithm i ke kumu 10 o ka ʻike molar, ʻaʻole ka hana.

Nā ʻokoʻa ma waena o ka waiwai o ka pH a me ka pOH

ph a me ka pae waiwai poh
ph a me ka pae waiwai poh

He aha ka waiwai pH maʻamau?

  • Ma kahi ala, he ana ka pH i kēlā hoʻohana ʻia e hoʻokumu i ke kiʻekiʻe o ka acidity a i ʻole ka alkalinity o kahi hopena. ʻO ka "p" ke kū nei no "potential", ʻo ia ke kumu i kapa ʻia ai ka pH: hiki i ka hydrogen.

He aha ka waiwai pOH?

  • No kou aoao. ʻO ka pOH ke ana o ka hoʻopaʻa ʻana o nā ion hydroxyl i loko o kahi haʻina. Hōʻike ʻia ʻo ia ma ke ʻano he kumu 10 logarithm maikaʻi ʻole o ka ʻona hydroxyl ion a, ʻaʻole like me ka pH, hoʻohana ʻia e ana i ka pae alkalinity o kahi hopena.
e helu i ka waiwai ph
e helu i ka waiwai ph

Pehea ka helu pH a i ʻole ka waiwai pOH?

He aha ke ʻano kumu no nā koina ph?

  • E like me ka mea i ʻike mua ʻia, ma ke kahua ʻepekema, ka pH ʻo ia ke ana de nā iona i loko de he hoʻonā. Pono paha ʻoe helu pH ma muli o ka noonoo. E helu i ka pH E hoohana ana i ka hoohalike o pHpH = -log[H3O+].

He aha ke kumu e helu ai i ka pOH?

  • Eia kekahi, pOH (a i ʻole OH hiki) he ana ia o ke kumu a i ʻole ka alkalinity o kahi hoʻonā. Eia kekahi se hoʻohana i ka pH = – log [H3O+] e ana i ka neʻe ʻana o nā ion hydronium [H3O+].
Pehea e helu ʻia ai ka waiwai pH a i ʻole pOH
Pehea e helu ʻia ai ka waiwai pH a i ʻole pOH

Nā Equation Nui e helu ai i ka waiwai pH a i ʻole pOH

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

He aha ka ʻokoʻa ma waena o ka nui o nā waiwai pH a me ka pOH?

pālākiō waiwai ph a poh
pālākiō waiwai ph a poh

ʻO nā like ʻole ma waena o nā waiwai o ka pālākiō pH

  • Ma ka lima hoʻokahi, hāʻawi ka pālākiō pH i nā waiwai waika mai 1 a 6 aʻo ka pākaukau pOH e hāʻawi i nā waiwai waikawa mai 8 a 14.
  • ʻO ka mea like ʻole, hāʻawi ka pākaukau pH i nā kumu waiwai mai 8 a 14, aʻo ka pākaukau pOH hāʻawi i nā kumu waiwai mai 1 a 6.

ʻO ka pilina pili o ka ph a me ka pOH me ko lākou mau waiwai

nā waiwai pālākiō pili o ph a me poh
nā waiwai pālākiō pili o ph a me poh

pili ana i ka unahi ph a me pOH me nā kala a me nā waiwai

  • pH ʻo ia ka logarithm o ka hoʻopaʻa ʻana o nā iona H+, me ka hoailona i hoololiia:
  • Likelike, wehewehe pOH e like me ka logarithm o ka OH ion-, me ka hoailona i hoololiia: The following relationship can be established between the pH a me ka pOH.
  • ʻO ke kumu, hāʻawi nā waiwai pH i ka logarithm maikaʻi ʻole o ka hoʻopaʻa ʻana o ka hydrogen ion, aʻo ka waiwai pOH e hāʻawi i ka logarithm maikaʻi ʻole o ka ʻike ion hydroxide.

Ka ʻokoʻa ma waena o ka pālākiō o ka pH a me ka waiwai pOH

Nā ʻokoʻa ma waena o ka pākaukau ph a me ka waiwai pOH

Ma hope o kēlā, hāʻawi mākou iā ʻoe i kahi kiʻiʻoniʻoni kahi e hiki ai iā ʻoe ke ʻike i ke ana ʻana o ka pH i ka nui o nā ion hydrogen, aʻo ka pOH e ana i nā ʻano o nā hydroxyl anions a i ʻole hydroxide ions.