Fortesia Ujit Flashcards

(9 cards)

1
Q

Qfare jane ujerat e forta?

A

Ujerat te cilat kane Ca dhe Mg

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2
Q

Cilat jane jonet negative te pranishme ne ujerat e forte?

A

Hidrogjen karbonate (HCO3); karbonate(CO4); sulfate(SO4)

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3
Q

Jepni shembull e zbutjes se ujit me fortesi te perkoheshme.

A
Ca(HCO3) = CaCO3(funderron) + CO2 + H2O
Mg(HCO3) = MgCO3(funderron) + CO2 + H2O
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4
Q

Nga prania e kuj shkaktohet fortesia e perhershme?

A

Nga prania e sulfateve dhe klorureve te Ca dhe Mg

Tretshmeria e te cilave rritet me rritjen e temperatures

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5
Q

Cilat jane problemet qe i sjell fortesia e ujit?

A

Ul aftesine larese dhe demton tubat dhe kazanet (cmersi)

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6
Q

Si behet zbutja e fortesise te perhershme?

A

Perdoret soda kaustike
Ca(HCO3)2 + 2NaOH = 2CaCO3(funderron) + Na2CO3 + 2H2O
CaSO4 + Na2CO3 = CaCO3 + Na2SO4

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7
Q

Si ndodh procesi i jonekembimit?

A

Kur jonet qe shkaktojne fortesine. Kembehen me Na+ dhe Cl-. Qe permbajne jonekembyesit qe jane kryesisht aluminosilikate dhe njihen me emrin zeolite.

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8
Q

Si ndahen jonet sintetike?

A

Ndahen ne kationite (R-CO2H) dhe anionite (R-NH2).

R eshte nje radikal i cili nuk merr pjese ne jonekembimin

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9
Q

Si behet rigjenerimi i zeoliteve?

A

Ne rastin e kationeve vendoset tretesire acidike e forte. Kurse ne rastin e anioniteve vendoset nje tretesire bazike e forte.

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